verbs
arrange or order by classes or categories
"How would you classify these pottery shards--are they prehistoric?"
make free from confusion or ambiguity; make clear
"Could you clarify these remarks?"; "Clear up the question of who is at fault"
clear,
clear up,
crystalise,
crystalize,
crystallise,
crystallize,
elucidate,
enlighten,
illuminate,
shed light on,
sort out,
straighten out
punish in order to gain control or enforce obedience
"The teacher disciplined the pupils rather frequently"