Longman Dictionary of Contemporary English - controlled

~ adj 1 calm and not showing emotion, even if you feel angry, afraid etc  (Her voice was resonant and controlled as she delivered her resignation speech.) 2 a movement, action, situation etc that is controlled is one that is carefully and deliberately done in a particular way, or made to have particular qualities  (The chicks are hatched in a controlled environment.) 3 limited by a law or rule  (controlled parking zones)