Lexical Definition

‎συγκαταβαίνω‎ synkatabaínō (soong-kat-ab-ah'-ee-no) to descend with G:V
from ‎σύν‎ and ‎καταβαίνω‎

go down with.

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
συγκαταβήσεται go down with LXX.Ps.49.17
συγκαταβάντεσ having gone down too Acts.25.5

Abbott-Smith

συν-κατα-βαίνω (Rec. συγκ-), [in LXX: Ps 48 (49):17* (ירד), Wi 10:13, Da LXX TH 3:49 * ;]
to go down with: Ac 25:5. In late writers also metaph. (Wis, l.c.), to condescend, on wh. v. Rutherford, NPhr., 485 f.†

Abbott-Smith References

Book Refs
Psalms 49:17*
Acts 25:5

Liddell-Scott-Jones

συγκαταβαίνω-βαίνω,

future -βήσομαι: aorist -έβην:— go or come down with, σᾷ πτέρυγι [Refs 5th c.BC+]; of curls, σ. ταῖς παρειαῖς [Refs 2nd c.AD+]

__2 go down together, opposed to ἀνέρχομαι, [Refs 4th c.BC+]; especially to the sea-side, [Refs 5th c.BC+]
__3 come down to one's aid, Ζεὺς.. Μοῖρά τε συγκατέβα [Refs 4th c.BC+]
__4 like Latin descendere in arenam, σ. εἰς κίνδυνον, εἰς πόλεμον, etc., [Refs 2nd c.BC+]
__5 come down to, agree to, εἰς κρίσιν [Refs 2nd c.BC+]
__6 metaphorically, let oneself down, submit to, εἰς φόρους καὶ συνθήκας [Refs]; σ. εἰς πᾶν agree to all conditions, [Refs]: generally, stoop, condescend, [Refs 5th c.BC+]
__7 come down in one's price or demands, [Refs 2nd c.BC+]