very well

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Used other than as an idiom: see very,‎ well.
• adverb Used other than as an idiom: see very,‎ well.
• adverb idiomatic Used to weaken the effect of certain modal verbs.
• interjection idiomatic, dated, formal Indicating acceptance, often with resignation or acquiescence, of a statement or situation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adverb quite well
• adverb an expression of agreement normally occurring at the beginning of a sentence