psy·cho·phar·ma·col·o·gy 
(sī′kō-fär′mə-kŏlə-jē)
(sī′kō-fär′mə-kŏlə-jē)n.
The branch of pharmacology that deals with the study of the actions, effects, and development of psychoactive drugs.
psy′cho·phar′ma·co·logic (-kə-lŏjĭk), psy′cho·phar′ma·co·logi·cal (-ĭ-kəl) adj.
psy′cho·phar′ma·colo·gist n.
- reprehensibleness
- reprehensibly
- reprehension
- reprehensive
- represent
- representability
- representable
- representation
- representational
- representationalism
- representative
- representatively
- representativeness
- representer
- re-press
- repress
- repressed memory
- represser
- repressibility
- repressible
- repression
- repressionist
- repressive
- repressively
- repressiveness