very well FORMAL
a way of saying yes to someone or of agreeing to do what they ask:
"Can't I stay for five minutes longer?" "Oh, very well."

[TahlilGaran] Advanced Learner's Dictionary ▲

very well
1.
probably.
Stress could very well have triggered her heart attack.

The robber might very well have been in the house when the police arrived.

2.
clearly.
The little boy knew very well that the neighbors didn't like his father.

[TahlilGaran] English Idioms Dictionary ▲

very well
agreed, all right
"Very well, if you want me to go I will go with you."

[TahlilGaran] English Idioms Dictionary ▲

very well
interj., formal Agreed; all right.
■ Used to show agreement or approval.
Very well. You may go.
Very well, I will do as you say.
Compare: ALL RIGHT².

[TahlilGaran] English Idioms Dictionary ▲