I
n.
rate of movement
1) to set the pace
2) to keep pace with
3) to change pace; to slacken the pace
4) a brisk, fast, rapid; even, steady; frantic, hectic; grueling, killing pace
5) a slack, slow, sluggish; snail's ('extremely slow') pace
6) at a certain pace (at a fast pace)
7) off the pace
8) (misc.) a change of pace (also fig.)
step
(esp. mil.)
9) to take a pace (to take three paces forward)
misc.
10) to put smb. through the paces ('to subject smb. to a test of skill')
II
v. (P; intr.) she was paceing back and forth