Fully established or determined; standing on firm historical footing.

simple past tense and past participle of settle someone's hash

(idiomatic) Synonym of settle on

To become quiet and calm after a period of disturbance or restlessness. / To establish a settled lifestyle, and especially to marry. / To get comfortable with one's new accommodation or circumstances.

Third-person singular simple present indicative form of settle down

present participle of settle down

to pay what one owes (a debt, a bill etc.)

(idiomatic, usually with the) A heated, angry, or confused atmosphere calms down.

present participle of settle up

Third-person singular simple present indicative form of settle up