κρουσ-τικός,ή,όν,
A. fit for striking, butting, of a ram, Ph. 1.113 .
II. able to sound the right note, ὄργανα
Arist. Pr. 918a33
;κ. θίξις χορδῶν, opp.ἠθική, Plu. 2.802f .
2. metaph., of a rhetorician or sophist,striking, impressive, Ar. Eq. 1379 ;τὸ κ. striking eloquence, Luc. Dem.Enc. 32 .