proof sign: P. and V. σημεῖον, τό, τεκμήριον, τό, δείγμα, τό, P. ἔνδειγμα, τό.
showing: P. ἀπόδειξις, ἡ.
display, show: Ar. and P. ἐπίδειξις, ἡ.
test: P. and V. ἔλεγχος, ὁ.
make a (naval or military) demonstration: P. ἐπίδειξιν ποιεῖσθαι (Thuc. 3, 16).