Nouns

(n)swanstately heavy-bodied aquatic bird with very long neck and usually white plumage as adult

Verbs

(v)affirm, verify, assert, avow, aver, swan, swearto declare or affirm solemnly and formally as true“Before God I swear I am innocent”
(v)roll, wander, swan, stray, tramp, roam, cast, ramble, rove, range, drift, vagabondmove about aimlessly or without any destination, often in search of food or employment“The gypsies roamed the woods”, “roving vagabonds”, “the wandering Jew”, “The cattle roam across the prairie”, “the laborers drift from one town to the next”, “They rolled from town to town”
(v)swansweep majestically“Airplanes were swanning over the mountains”