Denshi Jisho — Online Japanese dictionary

に対し にたいし towards; against; regarding; in contrast with
Expression 
に対し にたいして towards; against; regarding; in contrast with
Expression 

You can also

Look up kanji details for に対し.

Try a Yahoo Jisho search for に対し .
Try a Goo Jisho search for に対し .
Try a Google search for に対し .