vibrative - v.
1 intr. & tr. move or cause to move continuously and rapidly to and fro; oscillate.
2 intr. Physics move unceasingly to and fro, esp. rapidly.
3 intr. (of a sound) throb; continue to be heard.
4 intr. (foll. by with) quiver, thrill (vibrating with passion).
5 intr. (of a pendulum) swing to and fro.

vibrative adj. [L vibrare vibrat- shake, swing]