Lexical Definition

‎στερεόω‎ stereóō (ster-eh-o'-o) to strengthen G:V
from ‎στερεός‎

establish, receive strength, make strong.

Usage: 13 forms in 23 verses
Form Translated As     In Verse(s)
ἐστερεώθησαν were strengthened Acts.3.7
ἐστερεοῦντο were strengthened Acts.16.5
ἐστερέωσεν has strengthened Acts.3.16
στερεώσεισ Will you solidify LXX.Job.37.18
you shall stiffen LXX.Ezek.4.7
στερεώσασ solidifying LXX.Isa.42.5
στερεώσαντι one solidifying LXX.Ps.136.6
στερεών one stiffening LXX.Amos.4.13
εστερεώθησαν solidified LXX.Ps.33.6
they are more solidified LXX.Ps.18.17
εστερεώθη having been solidified LXX.Isa.51.6
is solidified LXX.1Sam.2.1
solidified LXX.1Kgs.3.1
was solidified LXX.Jer.52.6
εστερεωμένησ being solidly LXX.1Sam.6.18
εστερέωσε He stiffened LXX.Lam.2.4
he solidified LXX.Ps.93.1
solidified LXX.Isa.48.13
εστερέωσαν They solidified LXX.Jer.5.3
they stiffen LXX.Jer.10.4
εστερέωσα solidified LXX.Ps.75.3LXX.Isa.44.24LXX.Isa.45.12

Abbott-Smith

στερεόω, -ῶ (< στερεός), [in LXX: Is 42:5 (רקע), Je 5:3 (חזק pi.), etc. ;]
(a) to make firm or solid;
(b) to strengthen, make strong; c. acc. pers., Ac 3:16; τ. βάσεις, pass., ib. 7. Metaph. (cf. Je, l.c.): τ. πίστει, pass., Ac 16:5.†

Abbott-Smith References

Book Refs
Isaiah 42:5
Jeremiah 5:3
Acts 3:7 · 3:16 · 16:5

Liddell-Scott-Jones

στερεόω-ω,

make firm or solid, τοὺς πόδας [LXX+5th c.BC+]; τὸν οὐρανόν[LXX]:—passive, [Refs 5th c.BC+]

__2 strengthen, τοῦτον [NT]; confirm, κρίσιν [LXX]:—passive, to be made strong, [NT+5th c.BC+]: metaphorically, to be firmly established, confirmed, [LXX+1st c.BC+]

LSJ Scripture Refs: LXX.Ps.135.6*LXX.Isa.45.12Acts.3.16Acts.3.7LXX.1Kgs.2.1