To fall in with Meaning, Definition & Usage

Definitions
  1. . (a) To meet with accidentally; as, to fall in with a friend. (b) (Naut.) To meet, as a ship; also, to discover or come near, as land. (c) To concur with; to agree with; as, the measure falls in with popular opinion. (d) To comply; to yield to. "You will find it difficult to persuade learned men to fall in with your projects." Addison.

Webster 1913