Nouns

(n)conversion, transition, changeoveran event that results in a transformation
(n)conversiona change in the units or form of an expression:
(n)conversiona successful free throw or try for point after a touchdown
(n)conversion, rebirth, spiritual rebirtha spiritual enlightenment causing a person to lead a new life
(n)conversion(psychiatry) a defense mechanism represses emotional conflicts which are then converted into physical symptoms that have no organic basis
(n)conversiona change of religion“his conversion to the Catholic faith”
(n)conversioninterchange of subject and predicate of a proposition
(n)conversionact of exchanging one type of money or security for another
(n)conversionthe act of changing from one use or function or purpose to another