φαντασιαστικόν

From LSJ

τὸ γὰρ μυστήριον ἤδη ἐνεργεῖται τῆς ἀνομίας· μόνον ὁ κατέχων ἄρτι ἕως ἐκ μέσου γένηται. (2Thess 2:7) → For the mystery of lawlessness is already at workjust at work until the one who is now constraining it is taken out.

Source

Russian (Dvoretsky)

φαντᾰσιαστικόν: τό фантазия, воображение Plut.