Lexical Definition

‎ἁγιάζω‎ hagiázō (hag-ee-ad'-zo) to sanctify ^G:V
from ‎ἅγιος‎

hallow, be holy, sanctify.

• to make holy, i.e. (ceremonially) purify or consecrate
• (mentally) to venerate

Abbott-Smith

ἁγιάζω, Hellenistic form of ἁγίζω (< ἅγιος),
to make holy, consecrate, sanctify; [in LXX chiefly for קדשׁ pi., hi.;]
1. to dedicate, separate, set apart for God; of things: Mt 23:17, 19, II Ti 2:21; of persons: Christ, Jo 10:36, 17:19.
2. to purify, make conformable in character to such dedication: forensically, to free from guilt, I Co 6:11, Eph 5:26, He 2:11, 10:10, 14, 29, 13:12; internally, by actual sanctification of life, Jo 17:17, 19, Ac 20:32, 26:18, Ro 15:16, I Co 1:2, 7:14, I Th 5:23, Re 22:11; of a nonbeliever influenced by marriage with a Christian, I Co 7:14.
3. In the intermediate sense of ceremonial or levitical purification:
(a) of things, II Ti 2:21;
(b) of persons, He 9:13.
4. to treat as holy: Mt 6:9, Lk 11:2, I Pe 3:16 (Cremer, 53, 602; MM, VGT, s.v.).†

Abbott-Smith References

Liddell-Scott-Jones

ἁγιάζω-άζω,

={ἁγίζω}, [LXX+1st c.AD+]:—passive, ἁγιάζωασθήτω τὸ ὄνομά σου[NT]

_{LSJ Scripture Refs: LXX.Gen.2.3 ☩ Matt.6.9}