Being at rest, quiet, still, inactive or motionless.
The action of bringing something to rest or making it quiescent; the action of coming to rest or to a quiescent state.
1662 Thomas Salusbury, Galileo's Dialogue Concerning the Two Chief World Systems, Dialogue 2:I pray you, Salviatus, to tell me ... the cause of the Pendulum's quiescence.
(microbiology) When a cell is in a term of no growth and no division.