converse2
Pronunciation: /ˈkɒnvəːs/
noun
- a situation, object, or statement that is the reverse of another or corresponds to it but with certain terms transposed: if spirituality is properly political, the converse is also true: politics is properly spiritual
- Mathematics a theorem whose hypothesis and conclusion are the conclusion and hypothesis of another.
adjective

Origin:
late Middle English: from Latin conversus 'turned about', past participle of convertere (see convert)