Calm and imperturbable, especially under pressure.
Constant in pursuit or exertion; persevering; calmly diligent.
Willing to wait if necessary; not losing one's temper while waiting.
One who, or that which, is passively affected; a passive recipient.
A person or animal who receives treatment from a doctor or other medically educated person.
The noun or noun phrase that is semantically on the receiving end of a verb's action.