よろこ.ぶ よろこ.ばす 
() rejoice () take pleasure in
   
よろこばしい (adj-i) delightful, joyous, happy
よろこばす (v5s) to delight, to give pleasure
よろこび (n) joy, delight, rapture, pleasure, gratification, rejoicing, congratulations, felicitations
よろこぶ (v5b,vi) (1) to be delighted, to be glad, to be pleased, (2) to congratulate, (3) to gratefully accept
よろこんで (adv) with pleasure ...
きげき (n,adj-no) comedy, funny show
きじゅ (n) 77th birthday
きどあいらく (n) human emotions (joy, anger, pathos, and humor) (humour)

Links: KanjiDic: EDict : Wikimedia
Etymologies: 中文字譜 : 説文解字