имя существительное [французский язык, литературно-книжное] учёный; крупный специалист в какой-либо области
noun Etymology: French, from Middle French, from present participle of savoir to know, from Latin sapere to be wise — more at sage 1. a person of learning; especially one with detailed knowledge in some specialized field (as of science or literature) 2. idiot savant 1