zmieszać

Etymology
From.

Verb

 * 1)  to mix, to stir
 * 2)  to confound, to baffle, to disconcert
 * 3)  to blend
 * 4)  to join a group
 * 5)  to become abashed, sheepish, bashful
 * 1)  to become abashed, sheepish, bashful