adjective

equal in value, amount, function, meaning, etc.

one unit is equivalent to one glass of wine

equal,identical,similar,parallel,analogous,comparable,corresponding,correspondent,interchangeable,like,commensurate with,the same as,synonymous with,much the same as,amounting,tantamount,approximate,near,close,of a kind,of a piece,coequal

noun

a person or thing that is equal to or corresponds with another in value, amount, function, meaning, etc.

the French equivalent of the Bank of England

counterpart,parallel,alternative,match,complement,analogue,double,twin,opposite number,equal,peer,rival,answer,coequal