repose (v.1)

"lie or be at rest," mid-15c., reposen, "rest (oneself)," from Old French reposer, earlier repauser (10c.), from Late Latin repausare "cause to rest," from re-, here perhaps an intensive prefix (see re-), + pausare "to stop" (see pause (v.)). Related: Reposed; reposing.

repose (v.2)

"to put, place," mid-15c., reposen, "to put (something) back;" perhaps from re- "back, again" + pose (v.) or so formed in Middle English from Old French poser, on model of disposen "dispose" [Klein], or else from Latin repos-, infinitive stem of reponere "put back, set back, replace, restore; put away, lay out, stretch out," from re- + ponere "to put, place" (past participle positus; see position (n.)). Related: Reposed; reposing.

repose (n.)

c. 1500, "act or state of rest from activity, temporary inaction, sleep," from Old French repos (11c.), a back-formation from reposer (see repose (v.1)). Meaning "state of quiet, freedom from disturbing influences" is by 1650s. As a noun, 17c. also used reposal, reposance.

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Definitions of repose from WordNet
repose (v.)
put or confide something in a person or thing;
These philosophers reposed the law in the people
repose (v.)
be inherent or innate in;
Synonyms: rest / reside
repose (v.)
lie when dead;
Mao reposes in his mausoleum
repose (v.)
lean in a comfortable resting position;
Synonyms: recumb / recline
repose (v.)
put in a horizontal position;
Synonyms: lay / put down
repose (v.)
to put something (eg trust) in something;
The nation reposed its confidence in the King
repose (n.)
freedom from activity (work or strain or responsibility);
took his repose by the swimming pool
Synonyms: rest / ease / relaxation
repose (n.)
the absence of mental stress or anxiety;
Synonyms: peace / peacefulness / peace of mind / serenity / heartsease / ataraxis
repose (n.)
a disposition free from stress or emotion;
Synonyms: quiet / placidity / serenity / tranquillity / tranquility