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