στερεόω, -ῶ (στερεός), [in LXX: Isa.42:5 (רָקַע), Jer.5:3 (חָזַק pi.), etc;] (a)
to make firm or solid; (b)
to strengthen, make strong; with accusative of person(s), Act.3:16; τ. βάσεις, pass, Act.3:7. Metaphorical (cf. Je, l.with): τ. πίστει, pass, Act.16:5. (
AS)