simmer - To heat a liquid, usually a stew or soup, just below the boiling point, allowing it to cook slowly; or to stay in a slow, controlled state of progress or tension, often before a larger event or change occurs.
He was simmering with anger, but he kept it inside and didn't say out loud what he was thinking and feeling.
sober - Serious and thoughtful in mood or behavior, not playful or exaggerated; or not under the influence of alcohol or drugs; clear-minded.
It was a year since he gave up drinking and had decided to remain sober all the time, and it took strength to just walk past the bar.
rendezvous - An arrangement to meet somebody at a particular time and place, especially between people who have great affection towards each other.
After Romeo and Juliet met at the masked ball, they arranged a rendezvous in the garden to continue their relationship.
