Denshi Jisho — Online Japanese dictionary

常識 じょうしき common sense; good sense; common knowledge; general knowledge; common practice; accepted practice; social etiquette
Common word, Noun 
常識家 じょうしきか sensible person
Noun 
常識的 じょうしきてき ordinary; sensible; commonplace
Common word, Na-adjective 
常識人 じょうしきじん straightforward (plain) common-sense man
Noun 
常識学派 じょうしきがくは (Scottish) School of Common Sense
Noun 
常識外れ じょうしきはずれ unconventional; eccentric; offbeat; aberrant; outlandish; crazy
No-adjective, Na-adjective, Noun 
常識テスト じょうしきテスト test of general knowledge
Noun 
常識はずれ じょうしきはずれ unconventional; eccentric; offbeat; aberrant; outlandish; crazy
No-adjective, Na-adjective, Noun 
常識哲学 じょうしきてつがく philosophy of common sense
Noun 
常識に欠ける じょうしきにかける to lack in common sense
Expression, Ichidan verb 
常識を覆す じょうしきをくつがえす to defy conventional wisdom
Expression, Godan verb with su ending 

You can also

Look up kanji details for 常識.

Try a Yahoo Jisho search for 常識 .
Try a Goo Jisho search for 常識 .
Try a Google search for 常識 .