savant is a French word commonly used in English. It is a Common Noun that means ‘a highly learned person,’ ‘a high scholar,’ ‘a polyglot,’ etc.

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Glutton is a common noun that means ‘an overeaten,’ ‘someone who cannot stop eating at all times’ and thus eats much more than is required. Kumbhakarna, the brother of Ravana, was a glutton, which is why sleeping was his only activity other than eating.
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Postulant is a common noun. It means ‘beginner,’ ‘greenhorn,’ ‘an immature, inexperienced person.’ Thus a postulant cannot fit into a team of experienced professionals.
 

Shrink is a common noun and a verb. As a common noun, it is an American word for ‘a psychologist or psychotherapist.’ Thus many Americans practice yoga and regularly consult shrinks to tackle their physical, psychological and spiritual problems. And as a verb, to shrink means ‘to contract,’ ‘to become less in size,’ etc. Thus nylon clothes shrink greatly if they are washed in hot water. And if the Indian openers manage to stay at the crease for a couple of hours, the first innings lead will shrink and pressure on the team will be reduced.

 
Pluck is an abstract noun and a verb. As an abstract noun, pluck means courage, fortitude, etc. Thus it would require pluck to face up to a much superior enemy, just as it would require kindness to forgive a habitual thief. The adjective from the noun pluck is plucky, which means brave, courageous, etc. And as a verb, to pluck means ‘to dislodge from a fixed position by breaking a holding link.’ Thus, when we pluck a guava off a guava tree, we dislodge the fruit from its position on the tree by severing its link with the branch on which it hangs. To pluck also means to stimulate the strings of a musical instrument like guitar or sitar with one’s finger tips so as to make them resonate and produce musical notes. Thus most sitar players wear small metal claws on their fingers for plucking the sitar strings without hurting their skin and nails. 
 
 
Itinerant is a common noun and an adjective. As a common noun, it means ‘a journey man,’ ‘a tourist.’ And as an adjective it means ‘moving from one place to another.’ Thus cricket players from visiting sides would be itinerants (here used as a plural common noun) in India, given that they have to move from one city to another inside the country to play matches. And salesmen are itinerant job holders (here used as an adjective) because they have to move from one door to another as part of their job.
 
Let`s discuss a question based on the above information.

Directions: In each of the following questions five options are given, of which one word is most nearly the same or opposite in meaning to the given word in the question. Find the correct option having either same or opposite meaning.
Q1. SAVANT

1. Glutton
2. Postulant
3. Shrink
4. Pluck
5. Itinerant

Answer: 2
Explanation:
Savant is a French word commonly used in English. It is a common noun that means ‘a highly learned person,’ ‘a high scholar,’ ‘a polyglot,’ etc.
Word in sentence: Many East India company administrators serving in India during the seventeenth, eighteenth and nineteenth centuries were savants who quickly recognized the fundamental similarities between Sanskrit and the Latinate languages of Europe and thus laid down the foundations of the discipline called Indology.

1. Glutton is a common noun that means ‘an overeater,’ ‘someone who cannot stop eating at all times’ and thus eats much more than is required. Kumbhakarna, the brother of Ravana, was aglutton, which is why sleeping was his only activity other than eating.
2. Postulant is a common noun. It means ‘beginner,’ ‘greenhorn,’ ‘an immature, inexperienced person.’ Thus a postulant cannot fit into a team of experienced professionals.
3. Shrink is a common noun and a verb. As a common noun, it is an American word for ‘a psychologist or psychotherapist.’ Thus many Americans practice yoga and regularly consult shrinks to tackle their physical, psychological and spiritual problems. And as a verb, to shrink means ‘to contract,’ ‘to become less in size,’ etc. Thus nylon clothes shrink greatly if they are washed in hot water. And if the Indian openers manage to stay at the crease for a couple of hours, the first innings lead will shrink and pressure on the team will be reduced.
4. Pluck is an abstract noun and a verb. As an abstract noun, pluck means courage, fortitude, etc. Thus it would require pluck to face up to a much superior enemy, just as it would require kindness to forgive a habitual thief. The adjective from the noun pluck is plucky, which means brave, courageous, etc. And as a verb, to pluck means ‘to dislodge from a fixed position by breaking a holding link.’ Thus, when we pluck a guava off a guava tree, we dislodge the fruit from its position on the tree by severing its link with the branch on which it hangs. To pluck also means to stimulate the strings of a musical instrument like guitar or sitar with one’s finger tips so as to make them resonate and produce musical notes. Thus most sitar players wear small metal claws on their fingers for plucking the sitar strings without hurting their skin and nails. 
5. Itinerant is a common noun and an adjective. As a common noun, it means ‘a journey man,’ ‘a tourist.’ And as an adjective it means ‘moving from one place to another.’ Thus cricket players from visiting sides would be itinerants (here used as a plural common noun) in India, given that they have to move from one city to another inside the country to play matches. And salesmen areitinerant job holders (here used as an adjective) because they have to move from one door to another as part of their job.

The right answer to this question is postulant (option 2),which is an antonym of savant. No other word can be a synonym or antonym of savant.

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