Verb derivative of the adjective redundant, meaning to state a reduntant fact and in doing so admit its redundancy.
To redund may either involve conversational or literary use. When voiced in conversation, it may either be used to clarify a concept without being condescending, or with a a sarcastic tone to degrade a person. When used in writing, the verb may give the author the ability to be redundant without being reprimanded for otherwise unnecessary repetition.
"The Cold War was fought with no shots being fired," the teacher rendunded, seeing how the class seemed to ignore her the first time around.