[see -IST.]

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  1.  A member of a convention or assembly.

2

1823.  Blackw. Mag., XIV. 550. Such politicians as the Dublin Conventionists.

3

1866.  Pall Mall G., No. 506. 916/1. The Philadelphia Convention … The Conventionists.

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  † 2.  One who enters into a convention or contract.

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1768.  Sterne, Sent. Journ. (1775), 17. The buyer cannot go forth with the seller thereof into the street to terminate the difference betwixt them, but he instantly … views his conventionist with the same sort of eye, as if he was going … to fight a duel.

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