3198  yakach  yaw-kahh'

 a primitive root; to be 
right (i.e. correct); 
reciprocal, to argue; 
causatively, to decide, 
justify or convict:--appoint, 
argue, chasten, convince, 
correct(-ion), daysman, 
dispute, judge, maintain, 
plead, reason (together), 
rebuke, reprove(-r), surely, 
in any wise.