See equivalent in Webster's New World Roget's A-Z Thesaurus II
adjective
Agreeing exactly in value, quantity, or effect:
equal, even1, identical, same, tantamount. Idioms: on a par, one and the same. See samePossessing the same or almost the same characteristics:
alike, analogous, comparable, corresponding, like2, parallel, similar, uniform. See same
noun
One that is very similar to another in rank or position:
coequal, colleague, compeer, equal, fellow, peer2. See same
Learn more about equivalent