po·ten·ti·ate 
(pə-tĕnshē-āt′)
(pə-tĕnshē-āt′)tr.v. po·ten·ti·at·ed, po·ten·ti·at·ing, po·ten·ti·ates
To make (something, especially a drug or a metabolic or chemical reaction) effective or more effective.
[From Latin potentia, power; see POTENTIAL.]
po·ten′ti·ation n.