Meaning of CONTROLLED in English

CONTROLLED

con ‧ trolled /kənˈtrəʊld $ -ˈtroʊld/ BrE AmE adjective

[ Word Family: adjective : controlling, ↑ controllable ≠ ↑ uncontrollable , ↑ controlled ≠ ↑ uncontrolled ; noun : ↑ control , ↑ controller ; verb : ↑ control ; adverb : uncontrollably]

1 . deliberately done in a particular way, or made to have particular qualities:

a test held under controlled conditions

a controlled explosion

2 . limited by a law or rule:

Access to the site is closely controlled.

a police search for controlled drugs (=a drug that is illegal to have without permission from a doctor)

3 . calm and not showing emotion, even if you feel angry, afraid etc:

a controlled authoritative voice

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.