εἰκ-ᾰσία · eik-asia — LSJ
likeness, representation
likeness, representation, X. Mem. 3.10.1.
II comparison, estimate
comparison, Plu. Them. 29; estimate, ἐξ εἰκασίας PTeb. 61 (a). 186, al. (ii B. C.).
III conjecture, doubt
conjecture, Hp. Morb. 1.1, Pl. Sis. 390c, Ph. 2.91, Hierocl. p.37 A. (pl.), etc.; doubt, Phld. Rh. 1.249S.
IV apprehension of, by means of images, shadows
apprehension of or by means of images or shadows, Pl. R. 511e, 534a.