phrasal
1. : to become interested or absorbed in
taking up with forbidden science, listening to forbidden propaganda — H.A.Overstreet
2. : to begin to associate with
found myself taking up with someone who turned out to be more plausible than trustworthy — Harper's
especially : to begin to keep company with : consort
a nice girl who takes up with a not so nice boy — F.H.Bennett
takes up with many sorts of women — Newsweek
3.
a. : to assent to : agree with : adopt , espouse
not one to take up readily with new ideas — L.C.Douglas
b. obsolete : to receive or accept without opposition : put up with