medicate
Concise Oxford English Dictionary © 2008 Oxford University Press:
medicate/ˈmedɪkeɪt/
▶verb administer medicine or a drug to.
■ add a medicinal substance to.
– derivatives
medicative adjective.
medicative adjective.
– origin C17 (earlier (ME) as medication): from L. medicat-, medicari ‘administer remedies to’.
'medicate' also found in these Oxford entries:

