Synonyms:2. Choice, alternative, option, preference all suggest the power of choosing between things.
Choice implies the opportunity to choose:
a choice of evils. Alternative suggests that one has a choice between only two possibilities. It is often used with a negative to mean that there is no second possibility:
to have no alternative. Option emphasizes free right or privilege of choosing:
to exercise one's option. Preference applies to a choice based on liking or partiality:
to state a preference. 9. select, rare, uncommon, valuable, precious.
See fine 1 . 
[chois] 
noun, adjective, choic⋅er, choic⋅est.