I. adjective
Etymology: from past participle of control
: restrained, managed, or kept within bounds (as of decorum or good taste)
with controlled half-conscious desperation — John Hurkan
: conducted or maintained in accordance with fixed rules, restraints, or procedures
study disease under controlled conditions — V.G.Heiser
II. adjective
: regulated by law with regard to possession and use
marijuana and cocaine are controlled substances
controlled drugs