The definition of maintenance is providing support or upkeep to something.
Propagation is the reproduction or spreading of something.
A keeping up or going on without interruption; continued and unbroken existence or action
Find another word for perpetuation. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for perpetuation, like: maintenance, permanence, propagation, continuation, prolongation, protraction and lengthening.