Jactitation /(?)/

Jac·ti·ta·tion

Jactitation

n.
  1. Vain boasting or assertions repeated to the prejudice of another's right; false claim. (Law)
  2. A frequent tossing or moving of the body; restlessness, as in delirium. (Med.)

Phrases & Compounds
Jactitation of marriage
a giving out or boasting by a party that he or she is married to another, whereby a common reputation of their matrimony may ensue.