Usage: 4 forms in 8 verses
Form Translated As     In Verse(s)
επελπιζέτω raise your hope LXX.2Kgs.18.30
επήλπισεν raised hope LXX.Ps.52.7
επήλπισα I raised hope LXX.Ps.119.43LXX.Ps.119.74LXX.Ps.119.81LXX.Ps.119.114LXX.Ps.119.147
επήλπισάσ you raised my hope LXX.Ps.119.49

Liddell-Scott-Jones

ἐπελπίζω (epelpizō) to raise hope G:V

ἐπελπίζω,

buoy up with hope, [Refs 5th c.BC+]

__II intransitive, [Refs 2nd c.AD+]: absolutely, [Refs 2nd c.AD+]
__II.2 merely, ={ἐλπίζω}, [Refs 5th c.BC+], +others; hope besides, [Refs 5th c.BC+]