gay
noun
someone who is sexually attracted to persons of the same sex
adjective
bright and pleasant; promoting a feeling of cheer
“a cheery hello”
“a gay sunny room”
full of or showing high-spirited merriment
“when hearts were young and gay”
“a poet could not but be gay, in such a jocund company”
given to social pleasures often including dissipation
“led a gay Bohemian life”
“a gay old rogue with an eye for the ladies”
brightly colored and showy
“girls decked out in brave new dresses”
“brave banners flying”
offering fun and gaiety
“a festive (or festal) occasion”
“gay and exciting night life”
homosexual or arousing homosexual desires
Source: WordNet 3.1, Princeton University