1
general::
Phrase(s): see fit (to do something)
to decide to do something. • If I see fit to return, I’ll bring Bill with me. • She’ll do it if she sees fit.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Deem appropriate, as in He's entitled to divide up his property as he sees fit, or If we see fit to attend, we'll be there. This expression uses see in the sense of "view as," a usage dating from about 1325.
American Heritage Idioms