'Certitude' definitions:

Definition of 'certitude'

From: WordNet
noun
Total certainty or greater certainty than circumstances warrant [syn: certitude, cocksureness, overconfidence]

Definition of 'Certitude'

From: GCIDE
  • Certitude \Cer"ti*tude\, n. [LL. certitudo, fr. L. certus: cf. F. certitude. See Certain.] Freedom from doubt; assurance; certainty. --J. H. Newman. [1913 Webster]