2. proportionate, commensurate, coordinate, correspondent. Equal, equivalent, tantamount imply a correspondence between two or more things. Equal indicates a correspondence in all respects or in a particular respect: A dime is equal to 10 cents (that is, in purchasing power). Equivalent indicates a correspondence in one or more respects, but not in all: An egg is said to be the equivalent of a pound of meat in nutritive value. Tantamount, a word of limited application, is used of immaterial things that are equivalent: The prisoner's refusal to answer was tantamount to an admission of guilt. 4. even, uniform, regular, unvarying, invariant. 6. suited, fitted. 10. peer, compeer, match, mate, fellow.