wpaść

Etymology
From.

Verb

 * 1)  to fall in
 * 2)  to drop in, to call on, to visit
 * 3)  to run into, to come across
 * 4)  to hit upon, to think of, to contrive
 * 1)  to drop in, to call on, to visit
 * 2)  to run into, to come across
 * 3)  to hit upon, to think of, to contrive