Answer:

jump

Answer	Crossword Clue
JUMP	Carl Lewis specialty
JUMP	Be skittish
JUMP	Sky-dive

JUMP	Checkers ploy
JUMP	Obey with alacrity
JUMP	Revive, as a battery
JUMP	Dealing with red tape
JUMP	Toss-up on a court
JUMP	Begin to dive
JUMP	Skydive
JUMP	How to get on the bandwagon

JUMP	Kangaroo's movement
JUMP	Skydive...or...need we say more?
JUMP	Parachute descent
JUMP	"Go ... in a lake!"
JUMP	Checkers maneuver
JUMP	Kangaroo movement
JUMP	Make use of a bungee cord
JUMP	... at (eagerly accept)

JUMP	Sudden increase
JUMP	Word before ball or bail
JUMP	Cavort
JUMP	(Edited by J.N. Lewis) Parachute
JUMP	Spring
JUMP	Leap
JUMP	.. shot
JUMP	Move quickly

JUMP	Ball or rope preceder
JUMP	Checkers move
JUMP	Use a parachute
JUMP	Cannonball, e.g.
JUMP	Van Halen's biggest hit
JUMP	Show strength during a bridge auction
JUMP	Parachuter's business.
JUMP	What airborne troops do.

JUMP	Bounce.
JUMP	Move in checkers.
JUMP	Sudden transition.
JUMP	Track event.
JUMP	Vault.