YES

I. adverb Etymology: Middle English, from Old English gēse Date: before 12th century 1. — used as a function word to express assent or agreement 2. — used as a function word usually to introduce correction or contradiction of a negative assertion or direction 3. — used as a function word to introduce a more emphatic or explicit phrase 4. — used as a function word to indicate uncertainty or polite interest or attentiveness II. noun Date: 1712 an affirmative reply ; yea