convert, n. proselyte.
convex, a. protuberant, [bulging], gibbous. Antonym: [concave].
convexity, n. protuberance, gibbosity. Antonym: concavity.
conveyance, n. [carriage], transmission; transfer, demise, [alienation], cession.
convict, n. [felon], prisoner, [criminal], [culprit], malefactor.
convincing, a. [cogent], [persuasive], conclusive.
convivial, a. [festive], festal, [social], [jolly], [gay].
convocation, n. [convention], congress, synod, diet, [council], consistory.
convoy, n. [protection], [escort], attendance; [guard], [escort].
convulsion, n. [spasm], paroxysm; [agitation], [commotion], [disturbance], upheaval.