KJV Usage: do (make, play the, turn into) fool (-ish, -ishly, -ishness).
Brown-Driver-Briggs' Hebrew Definitions
1. to be foolish, be a fool a. (Piel) to make foolish, turn into foolishness b. (Niphal) to act or do foolishly c. (Hiphil) to do foolishly, play the fool
Origin: for H3688
Parts of Speech: Verb