take up with

verb4

1. •
   To form a close relationship with (someone).

   • I hear that John has taken up with Jane.
2. •
   To become interested in (something).

   • It seems, then, that automobiles and automobiling were on Walter Chrysler's mind for a long time before he took up with this legendary Locomobile — 2001
3. •
   To begin living together with; to lodge with.
4. •
   (no longer used) To be contented to receive; to receive without opposition; to put up with.