Third-person singular simple present indicative form of contribute.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "contributes" in a sentence
"What makes you think that everyone who contributes is an American or Lives In America and therefore will appreciate your lack of sense of humour."
"The canvas to which Palin's comment contributes is one of establishing 'otherness'."
"Paul Griffin contributes a poem about alliteration, the device that uses repeated sounds: “Some writers rate readers as rotten and ratty/And treat them to tricks that are terribly tatty.”"