Denshi Jisho — Online Japanese dictionary

楽しみ たのしみ 1: enjoyment; pleasure; diversion; amusement; hobby;
2: anticipation; looking forward to
Common word, Na-adjective, Noun 
楽しみにする たのしみにする to look forward to something
Expression, Suru verb - irregular 
楽しみに待つ たのしみにまつ to wait expectantly; to await in anticipation
Expression, Godan verb with tu ending 

You can also

Look up kanji details for 楽しみ.

Try a Yahoo Jisho search for 楽しみ .
Try a Goo Jisho search for 楽しみ .
Try a Google search for 楽しみ .