Basic Guidelines For English Spellings
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1A person who or thing which stands in the place of another; specifically (a) a sign, a symbol; (b) a person who represents another person or a wider group; a representative.
2rare A person who or thing which depicts or portrays something.
3Law
A person who makes a representation; (in later use especially) a person who makes a statement on which reliance is placed in the concluding of a contract.
Mid 16th century. From represent + -or.