Lexical Definition

‎ἡσυχάζω‎ hēsycházō (hay-soo-khad'-zo) be quiet/give up ^G:V
from the same as ‎ἡσύχιος‎

cease, hold peace, be quiet, rest.

• to keep still (intransitively), i.e. refrain from labor, meddlesomeness or speech

Abbott-Smith

ἡσυχάζω [in LXX chiefly for שׁקט;]
to be still;
(a) to rest from labour: Lk 23:56;
(b) to live quietly: I Th 4:11;
(c) to be silent: Lk 14:3, Ac 11:18 21:14 (cf. Jb 32:7, Ne 5:8).†
SYN.: σιγάω (q.v.), σιωπάω.

Abbott-Smith References

Liddell-Scott-Jones

ἡσυχάζω-άζω,

future -άσω[Refs 5th c.BC+] Maecius Epigrammaticus), -άσομαι [Refs 2nd c.AD+]: aorist ἡσύχᾰσα [Refs 5th c.BC+]: (ἥσυχος):—keep quiet, be at rest, σὺ δ᾽ ἡσύχαζε [Refs 4th c.BC+]; ἡ ἀπορία τοῦ μὴ ἡσυχάζειν the difficulty of finding rest, [Refs 5th c.BC+]; ἡ. πρὸς μίαν θύρην, of a lover, [Refs 3rd c.BC+]: frequently in participle, ἡσυχάζων προσμενῶ [Refs 5th c.BC+]; ὥστε μὴ ἡσυχάσασα αὐξηθῆναι by resting from war, [Refs 5th c.BC+]; ἡσυχαζουσῶν τῶν νεῶν[Refs 5th c.BC+]; τὸ ἡσυχάζον τῆς νυκτός the dead of night, [Refs 5th c.BC+]; ἡ. ἀπό τινος keep away from.., [Refs 1st c.AD+]: with dative, suspend work on, [Refs 2nd c.AD+]; ἀλλ᾽ ἡσύχαζε only be tranquil, calm thyself, [Refs 5th c.BC+]

__b ὁ -άζων, with or without λόγος, a fallacy, [Refs 3rd c.BC+]
__II transitive, bring to rest, ἡσυχάσας τὼ δύο εἴδη, τὸ τρίτον δὲ κινήσας [Refs 5th c.BC+]
__II.b absolutely, impose silence, [Refs 2nd c.AD+]
__II.2 leave unspoken, ἃ χρὴ λέγειν [Refs 1st c.AD+].
__III passive in impersonal sense, ἡσυχάζεται ἐπὶ τῆς γῆς there is quiet, [LXX]

_{LSJ Scripture Refs: LXX.Job.37.17}