addition
adjunct
aggrandizement
ambling
ambulation
ampliation
amplification
augmentation
backpacking
broadening
crescendo
deployment
dispersion
enlargement
expansion
extension
fanning out
flare
footing
footing it
footwork
going on foot
hitchhiking
hitching
hoofing
increase
legwork
lumbering
magnification
marching
pedestrianism
perambulation
raising
sauntering
splay
spread
spreading
staggering
strolling
thumbing
thumbing a ride
toddling
tottering
tramping
treading
trudging
upping
waddling
walking
widening
walk
trudge
Viking
biking
disliking
liking
spiking
striking