Answer:
The noun converse means a view from the opposite aspect, or the reverse. For example the converse of John & Sarah would be Sarah & John. When examining the effect of object A on object B, the converse is the effect of object B on object A. In logic and geometry, the converse is the reverse of a statement, which may or may not hold true (if a, then b does not necessarily mean that if b, then a).
The verb to converse is to have a dialogue. If you converse with Sam then you and Sam are having a conversation.
The proper noun or surname Converse is the name of an athletic shoe company.