Dic: well (as probably, indeed)

9 [ADV] modal ADV △You use well after verbs such as `may' and `could' when you are saying what you think is likely to happen.

• The murderer may well come from the estate...
• Ours could well be the last generation for which moviegoing has a sense of magic.

may/might/could well △used to say that something is likely to happen or is likely to be true

• What you say may well be true.
• You could try the drugstore, but it might well be closed by now.

4. can/could well: easily

• She could well afford to pay for it herself.

5. can/could/may/might well: probably

• You may well be right.
• It may well be that the train is delayed.

6. can/could/may/might well: with good reason

• I can't very well leave now.
• I couldn't very well refuse to help them, could I?
• ‘What are we doing here?’ ‘You may well ask (= I don't really know either).’

10) (preceded by could, might, or may) indeed

• you may well have to do it yourself

.... COBUILD, LDOCE, OALD, COLLINS