fit in with - definition and synonyms

phrasal verb [transitive]
present tense
I/you/we/theyfit in with
he/she/itfits in with
present participlefitting in with
past tensefitted in with or fit in with
past participlefitted in with or fit in with
  1. fit in with something to be correct, suitable, or sensible in relation to something else

    His explanation didn’t fit in with what I saw.

See also main entry: fit