סָכַל (çâkalsaw-kal'verbbe foolish)
[Heb] סָכַל ETCBC: סכל‎ (verb|be foolish) OSHL: o.bc.aa TWOT: 1493 GK: H6118
Derivation: for כָּסַל;
Strong's: to be silly
KJV: do (make, play the, turn into) fool(-ish, -ishly, -ishness).