1.VerbTo consider it not possible for (someone) (to do something).
"I wouldn't put it past him to spread malicious gossip about you.; I wouldn't put it past her to steal from shops, but I would put it past her to steal from her own mother."
2.VerbUsed other than figuratively or idiomatically: see put, it, past.
"He smashed the ball with his left foot and put it past the goalkeeper."