Answer: whyyes

AnswerCrossword Clue
WHYYES

"Certainly!"

WHYYES

"But of course!"

WHYYES

Surprised person's agreement

WHYYES
Surprised affirmation
WHYYES
Words of agreement
WHYYES"As a matter of fact, I do"
WHYYES"Actually, I do"
WHYYES"Indubitably!"
WHYYES'Indubitably!'
WHYYES"Of course!