Lexical Definition

‎ἀποκατάστασις‎ apokatástasis (ap-ok-at-as'-tas-is) restoration ^G:N-F
from ‎ἀποκαθίστημι‎

restitution.

• reconstitution

Abbott-Smith

* ἀπο-κατά-στασις, -εως, ἡ (< ἀποκαθίστημι),
restoration: Ac 3:21 (in π. of repairs and restorations of temples, v. MM, s.v.).†

Abbott-Smith References

Liddell-Scott-Jones

ἀποκατάστασις-στᾰσις, εως, ἡ,

restoration, re-establishment, τοῦ ἐνδεοῦς[Refs 4th c.BC+]; return to a position, [Refs 4th c.BC+]; especially of military formations, reversal of a movement, [NT+1st c.BC+]; of the soul, [Refs 2nd c.AD+]; recovery from sickness, [Refs 2nd c.BC+]; εἰς ἀ. ἐλθεῖν, of the affairs of a city, [Refs]; return to original position, [Refs 1st c.BC+]; ἀ. ἄστρων return of the stars to the same place in the heavens as in the former year, [Refs 1st c.BC+]; periodic return of the cosmic cycle, [Refs]; of a planet, return to a place in the heavens occupied at a former epoch, [Refs 2nd c.AD+]; but, zodiacal revolution, [Refs 4th c.AD+]; opposed to ἀνταπ. (which see), [Refs 2nd c.AD+]; restoration of sun and moon after eclipse, [Refs 5th c.BC+]

_{LSJ Scripture Refs: Acts.3.21}