To keep company; to hold intimate intercourse; to
commune; – followed by with.

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.

To have knowledge of, from long intercourse or study;
– said of things.

Frequent intercourse; familiar communion; intimate
association.

Familiar discourse; free interchange of thoughts or
views; conversation; chat.

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

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.

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.