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.

(idiomatic) At the very end of a process or project, especially one with a fast-approaching deadline.

(idiomatic) At the very end of a process or project, especially one with a fast-approaching deadline.

(intransitive) To lie down to sleep for the night, usually of livestock or machinery. / (transitive) To put an animal to rest for the night.

(idiomatic) To relax and enjoy oneself.

That decreases in stages / (of a transformer etc) That reduces a voltage

present participle of turn down

simple past tense of turn down / past participle of turn down

Third-person singular simple present indicative form of turn down

(simile) Very ill.