ショウ 
わら.う え.む 
() laugh
           
わらい (n) (1) laugh, laughter, (2) smile, (3) sneer
わらいごえ (n) laughter
わらう (v5u,vi) (1) to laugh, (2) to smile, (3) to sneer, to ridicule
えみ (n) smile
えがお (n,vs) smiling face, smile

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