con·trolled 
/kənˈtroʊld/ adjective
/kənˈtroʊld/ adjective 1 [more controlled; most controlled] : not overly angry or emotional
▪ Instead of arguing, they talked in a calm, controlled manner. 2 [more controlled; most controlled] : done or organized according to certain rules, instructions, or procedures
▪ The test was done under controlled conditions. ▪ The polar bears at the zoo live in a controlled environment. 3 — used to describe a drug that is illegal to have or use without permission from a doctor ▪ a controlled drug/substance
▪ Instead of arguing, they talked in a calm, controlled manner.
▪ The test was done under controlled conditions. ▪ The polar bears at the zoo live in a controlled environment.
