leg (it)

parade, promenade

march, pace, step out, stride, troop

power walk

hike, peregrinate, trek

amble, mosey, perambulate, ramble, saunter, stroll, wander

clump, stomp, stump, tramp, trample, tromp

footslog, plod, trudge

gimp, hobble, limp

mince, prance, pussyfoot, tiptoe

bounce, sashay, stalk, strut, swagger

falter, lumber, lurch, pound, scuff, shamble, shuffle, stagger, stumble, toddle, waddle

nip, tap, trip, trot

allowable, authorized, noncriminal, permissible

justifiable, warrantable

constitutional

de jure, regulation, statutory

good, innocent, just, proper, right