1. (v. i.) To keep company; to hold intimate intercourse; to commune; -- followed by with.

2. (v. i.) To engage in familiar colloquy; to interchange thoughts and opinions in a free, informal manner; to chat; -- followed by with before a person; by on, about, concerning, etc., before a thing.

3. (v. i.) To have knowledge of, from long intercourse or study; -- said of things.

4. (n.) Frequent intercourse; familiar communion; intimate association.

5. (n.) Familiar discourse; free interchange of thoughts or views; conversation; chat.

6. (a.) Turned about; reversed in order or relation; reciprocal; as, a converse proposition.

7. (n.) A proposition which arises from interchanging the terms of another, as by putting the predicate for the subject, and the subject for the predicate; as, no virtue is vice, no vice is virtue.

8. (n.) A proposition in which, after a conclusion from something supposed has been drawn, the order is inverted, making the conclusion the supposition or premises, what was first supposed becoming now the conclusion or inference. Thus, if two sides of a sides of a triangle are equal, the angles opposite the sides are equal; and the converse is true, i.e., if these angles are equal, the two sides are equal.

ESP adversative adverse adversive answer antagonistic anti antipathetic antipodal antipode antipodean antipodes antipole antithesis antithetic antithetical antonym antonymous at cross-purposes balancing bandy words be in connection be in contact chat chatter chew the fat chew the rag chin clashing collegiality colloque colloquial discourse colloquize colloquy commerce commerce with commune with communicate communicate with communication communion community compensating confab confabulate confabulation conflicting confronting congress connection contact contra contradictory contradistinct contrapositive contrarious contrary contrasted conversation converse with conversing correspondence counter counterbalance counterbalancing countercheck counterpoint counterpoise counterpoised counterpole counterterm countervailing dead against deal with dealing dealings declaim dialogue discordant discourse discourse with discrepant discuss exchange eyeball to eyeball eyeball-to-eyeball facing fellowship foil gab give-and-take gossip have dealings with have intercourse have truck with heads hold communication hostile inconsistent information inimical interaction interchange intercommunicate intercommunication intercommunion intercourse interlocution interplay inverse linguistic intercourse message mouth obverse offset opposed opposing opposite opposite number opposite side oppositional oppositive oppugnant other face other side parley patter perverse polar polaric polarized rapping reply repugnant response reverse setoff shoot the breeze social activity social intercourse social relations speak speak with speaking speech speech circuit speech situation squared off tails take counsel with talk talk together talking telepathy the contrary the other side touch traffic traffic with truck two-way communication verbal intercourse vis-a-vis visit visit with wag the tongue yarn