Meaning of “perfectly” - Learner’s Dictionary

perfectly

adverb us uk /ˈpɜːfɪktli/
You're perfectly within your rights to complain.He's perfectly justified in asking for a larger salary.It's perfectly natural to feel nervous.It's perfectly normal to feel some degree of stress at work.He managed perfectly well on his own.
TO EMPHASIZE

B2 used to emphasize the word that follows it:

To be perfectly honest, I don't care any more.
I made it perfectly clear to him what I meant.
VERY WELL

B1 in a perfect way:

The jacket fits perfectly, the skirt not so well.

(Definition of “perfectly” from the Cambridge Learner’s Dictionary © Cambridge University Press)