See amble in Webster's New World Roget's A-Z Thesaurus II
verb
To walk at a leisurely pace:
meander, perambulate, promenade, ramble, saunter, stroll, wander. (Informal) mosey. See move
noun
An act of walking, especially for pleasure:
meander (often used in plural), perambulation, promenade, ramble, saunter, stroll, walk, wander. See move
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