To set in Meaning, Definition & Usage

Definitions
  1. to put in the way; to begin; to give a start to. Obs.
    If you please to assist and set me in, I will recollect myself. Collier.
Definitions
  1. . (a) To begin; to enter upon a particular state; as, winter set in early . (b) To settle one's self; to become established . "When the weather was set in to be very bad." Addyson. (c) To flow toward the shore; said of the tide.

Webster 1913