Extended Strong's Greek Lexicon (Abbott-Smith based)
vision
Usage: ὀπτασία, -ας, ἡ (ὀπτάζομαι, Num.14:14* = ὀπτάνομαι), later form of ὄψις, [in LXX: Mal.3:2 (רָאָה ni.), Da TH Dan.9:23 10:1, 7-8 10:16 (מַרְאֶה, מַרְאָה LXX, ὅραμα, -σις), Est.4:7, Sir.43:2, 16 * ;] __1. an appearing, coming into view (Ma, Es, Sir, ll. with). __2. a vision: Luk.1:22 24:23, Act.26:19, 2Co.12:1 (Da, ll. with, also in MGr.).† (AS)