From WordNet (r) 3.0 (2006):
swear
v 1: utter obscenities or profanities; "The drunken men were
cursing loudly in the street" [syn: curse, cuss,
blaspheme, swear, imprecate]
2: to declare or affirm solemnly and formally as true; "Before
God I swear I am innocent" [syn: affirm, verify,
assert, avow, aver, swan, swear]
3: promise solemnly; take an oath
4: make a deposition; declare under oath [syn: swear,
depose, depone]
5: have confidence or faith in; "We can trust in God"; "Rely on
your friends"; "bank on your good education"; "I swear by my
grandmother's recipes" [syn: trust, swear, rely,
bank] [ant: distrust, mistrust, suspect]