Dictionary entry

στερεόω

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

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.†