1: δοξάζω
(Strong's #1392 — Verb — doxazo — dox-ad'-zo )

primarily denotes "to suppose" (from doxa, "an opinion"); in the NT (a) "to magnify, extol, praise" (see doxa below), especially of "glorifying;" God, i.e., ascribing honor to Him, acknowledging Him as to His being, attributes and acts, i.e., His glory (see GLORY), e.g., Matthew 5:16; 9:8; 15:31; Romans 15:6,9; Galatians 1:24; 1—Peter 4:16; the Word of the Lord, Acts 13:48; the Name of the Lord, Revelation 15:4; also of "glorifying" oneself, John 8:54; Revelation 18:7; (b) "to do honor to, to make glorious, e.g., Romans 8:30; 2—Corinthians 3:10; 1—Peter 1:8 , "full of glory," Passive Voice (lit., "glorified"); said of Christ, e.g., John 7:39; 8:54 , RV, "glorifieth," for AV, "honor" and "honoreth" (which would translate timao, "to honor"); of the Father, e.g., John 13:31,32; 21:19; 1—Peter 4:11; of "glorifying" one's ministry, Romans 11:13 , RV, "glorify" (AV, "magnify"); of a member of the body, 1—Corinthians 12:26 , "be honored" (RV marg., "be glorified").

John 12:28John 17:1,4John 13:3114:13John 15:8John 11:4John 7:3912:16,2313:3117:1,5John 16:14
2: ἐνδοξάζομαι
(Strong's #1740 — Verb — endoxazo — en-dox-ad'-zo )

No. 1 prefixed by en, "in," signifies, in the Passive Voice, "to be glorified," i.e., to exhibit one's glory; it is said of God, regarding His saints in the future, 2—Thessalonians 1:10 , and of the name of the Lord Jesus as "glorified" in them in the present, 2—Thessalonians 1:12 .

3: συνδοξάζω
(Strong's #4888 — Verb — sundoxazo — soon-dox-ad'-zo )

"to glorify together" (sun, "with"), is used in Romans 8:17 .