How do you say handsome in Japanese?

ハンサム /han sa mu/ is a common term, which is taken from the same English Word. As for Japanese terms, 格好いい /ka-kko ii/ is a term meaning 'attractive, cool, handome etc' and 立派 /ri-ppo/ means 'handsome, elegant'. 男前 /o to ko ma e/ is a common term referring to a good-looking man, like used in girl talks or such.