noun, noun or participle which takes 'suru', transitive verb
ready consent; immediate acceptance
Used when someone agrees to a request or proposal without hesitation. Often appears in formal or written contexts.
彼は依頼を即諾した。
He gave his ready consent to the request.
即諾の返事をもらった。
I received an immediate acceptance.
快諾 also means willing consent, but emphasizes a cheerful or pleasant manner, while 即諾 focuses on the speed of the agreement.
Compound of 即 (soku, 'immediate') and 諾 (daku, 'consent'). The kanji combination directly conveys the meaning of prompt agreement.