G0584
ἀποδείκνυμι
to display
ἀπο-δείκνυμι [in LXX: Est.2:9 (רָאָה), al. ;] __1. to bring out, show forth, exhibit (Lft., Notes, 200; ICC, in l): 1Co.4:9. __2. to declare, show: Act.2:22 __3. to prove: Act.25:7. __4. As frequently in late Gk., to proclaim to an office: before ὅτι, 2Th.2:4 (Milligan, in l; MM, see word; Lft., Notes. 113.)† (AS)
Full Thayer's lexicon entry
ἀποδείκνυμι — apodeíknymi
ἀποδείκνυμι; 1 aorist ἀπέδειξα; perfect passive participle ἀποδεδειγμένος; (frequent in Greek writings from Pindar Nem. 6, 80 down);
1. properly, to point away from oneself, to point out, show forth; to expose to view, exhibit (Herodotus 3, 122 and often): 1Co 4:9. Hence,
2. to declare: τινα, to show, prove what kind of a person anyone is, Act 2:22 (where manuscript D gives the gloss (δεδοκιμ)ἀσμενον); 2Th 2:4 (Lachmann marginal reading ἀποδειγνυοντα). to prove by arguments, demonstrate: Act 25:7. Cf. Winer's De verb. comp. etc. Part iv., p. 16f.
4 occurrences
Acts (2), I Corinthians (1), II Thessalonians (1)