The term equative is used in linguistics to refer to constructions where two entities are equated with each other. For example, the sentence Susan is our president, equates two entities (Susan and our president). In English, equatives are typically expressed using a copular verb such as `be` (although this is not the only use of this verb). Equa.....
Found on http://en.wikipedia.org/wiki/Equative


indicating likeness or identity
Found on http://phrontistery.info/e.html
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