Lexical Definition

‎τελειόω‎ teleióō (tel-i-o'-o) to perfect G:V
from ‎τέλειος‎

consecrate, finish, fulfil, make) perfect.

Usage: 29 forms in 40 verses
Form Translated As     In Verse(s)
ἐτελειώθη was perfected Jas.2.22
ἐτελείωσεν perfected Heb.7.19
τετελειωμένων perfected Heb.12.23
τετελειωμένου having been perfected LXX.Lev.21.10
τετελειωμένοσ having perfected LXX.Lev.4.5
τετελειωμένον perfected Heb.7.28
τετελειωμένοι perfected John.17.23
τετελειωμένη perfected 1John.4.12
τετελείωται has been perfected 1John.2.51John.4.171John.4.18
τετελείωμαι have been perfected Phil.3.12
τετελείωκεν He has perfected Heb.10.14
τελειῶσαι to finish Acts.20.24
to make perfect Heb.2.10Heb.9.9
to perfect Heb.10.1
τελειώσωσι shall perfect LXX.Lev.16.32
τελειώσω I may complete John.5.36
I shall perfect LXX.Neh.6.3
may finish John.4.34
τελειώσεισ you shall perfect LXX.Exod.29.9LXX.Exod.29.35
τελειώσει he will perfect LXX.Lev.8.33
τελειώσασ having completed John.17.4
τελειώσαι to perfect LXX.Exod.29.29LXX.Exod.29.33
τελειωσάντων when having completed Luke.2.43
τελειωθῶσιν they may be made perfect Heb.11.40
τελειωθῇ may be fulfilled John.19.28
τελειωθεὶσ having been perfected Heb.5.9
τελειωθήναι finishing LXX.1Kgs.14.10
perfected LXX.Neh.6.16
τελειοῦμαι I am perfected Luke.13.32
ετελειώθησαν they finished not LXX.Lam.3.22
ετελειώθη it was finished LXX.2Chr.8.16
was finished LXX.1Kgs.7.22
ετελείωσε Solomon finished LXX.2Chr.8.16
ετελείωσαν were perfected LXX.Num.3.3
ετελείωσάν they perfected LXX.Ezek.27.11

Abbott-Smith

τελειόω, -ῶ (< τέλειος), [in LXX: Ex 29:9, Le 4:5, al. (τ. χεῖρας, מָלֵא pi.), II Ki 22:26, al. (תָּמַם), Wi 4:13, al. (cf. Westc., He., 64) ;]
1. bring to an end, finish, accomplish, fulfil: Jo 4:34, Ac 20:24; of time, Lk 2:43, Jo 5:36 17:4; pass., ἡ γραφή, Jo 19:28.
2. to bring to maturity or completeness, to complete, perfect;
(a) of things: He 7:19, Ja 2:22, I Jo 2:5 4:12, 17 :
(b) of persons, in ethical and spiritual sense: He 2:10 9:9 10:1, 14; pass., Lk 13:32, Jo 17:23, Phl 3:12, He 5:9 7:28 11:40 12:23, I Jo 4:18 (for a different view of the meaning in He 2:10, al., v. Rendall, in l).†

Abbott-Smith References

Book Refs
Exodus 29:9
Leviticus 4:5
2 Samuel 22:26
Luke 2:43 · 13:32
John 4:34 · 5:36 · 17:4 · 17:23 · 19:28
Acts 20:24
Philippians 3:12
Hebrews 2:10 · 5:9 · 7:19 · 7:28 · 9:9 · 10:1 · 10:14 · 11:40 · 12:23
James 2:22
1 John 2:5 · 4:12 · 4:17 · 4:18

Liddell-Scott-Jones

τελειόω-όω

and τελεόω (the latter always in [Refs 5th c.BC+]:— make perfect, complete:

__I of things, acts, works, time, make perfect, complete, accomplish, πάντα ἐτελέωσε ποιήσας [Refs 5th c.BC+]; τελεώσαντες τὰς σπονδάς having completed the libations, [τελειόωοῖ τὴν ἐνέργειαν ἡ ἡδονή 4th c.BC: Aristoteles Philosophus “Ethica Nicomachea” 1174b23 ">Refs 5th c.BC+]; τ. βίου ἐνιαυτούς complete the tale of years, [Refs]; τὸ ἔργον [τελειόωοῦμεν 2nd c.AD: Soranus Medicus 1.126 ">NT+2nd c.AD+]:—middle, [Refs 4th c.AD+]:—passive, to be accomplished, [Refs 5th c.BC+]; τελεωθέντων ἀμφοτέροισι when both men had their wishes accomplished, [Refs 5th c.BC+]
__I.b execute a legal instrument, make it valid by completing it, [Refs 1st c.AD+]
__I.2 in Logic, τ. τὸ εἶδος complete, make perfect the form or species, [Refs 4th c.BC+]:—passive, of syllogisms, to be made perfect (by reduction to the 1st pers. figure, the other figures being ἀτελεῖς), [Refs]
__I.3 passive, of prophecies, to be fulfilled, [NT]
__II bring to perfection or consummation, ἐπιγενόμενα δὲ ταῦτα τῷ Δαρείῳ ἐτελέωσέ μιν sealed his success, in his claim to the monarchy, [Refs 5th c.BC+]; τελειόωῶσαι λόχον make the ambush successful, [Refs 5th c.BC+]:— passive, to be made perfect, attain perfection, [Refs]; especially by reaching maturity in point of age, [Refs 5th c.BC+]; so of the embryo, plants, come to maturity, [τελειόωωθέντος [μειρακίου] κατὰ τὸ μέγεθος [prev. work]162. ">Refs 4th c.BC+]
__II.2 in passive also, τελειόωωθῆναι, ={γῆμαι}, [Refs 2nd c.AD+]
__II.3 passive, to be made perfect, of true Christians, [NT]
__II.4 passive, die, [Refs]
__III intransitive, bring fruit to maturity, come to maturity, [Refs 4th c.BC+]

LSJ Scripture Refs: John.4.34Luke.2.43Acts.20.24John.19.28Heb.11.40