Etymology

choose (v.)

Old English ceosan "choose, seek out, select from two or more; decide, test, taste, try; accept, approve" (class II strong verb; past tense ceas, past participle coren), from Proto-Germanic *keus- (source also of Old Frisian kiasa, Old Saxon kiosan, Dutch kiezen, Old High German kiosan, German kiesen, Old Norse kjosa, Gothic kiusan "choose," Gothic kausjan "to taste, test"), from PIE root *geus- "to taste; to choose." Only remotely related to choice. Variant spelling chuse is Middle English, very frequent 16c.-18c. The irregular past participle leveled out to chosen by 1200.

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Definitions of choose

choose (v.)
pick out, select, or choose from a number of alternatives;
Synonyms: take / select / pick out
choose (v.)
select as an alternative over another;
I always choose the fish over the meat courses in this restaurant
Synonyms: prefer / opt
choose (v.)
see fit or proper to act in a certain way; decide to act in a certain way;
She chose not to attend classes and now she failed the exam
From wordnet.princeton.edu