ἐκπειρᾶσθαι
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
Greek > English (Woodhouse Verbs Reversed)
(see also: ἐκπειράομαι, ἐκπειρῶμαι) try, make proof of, make trial of