Definition of "certitude" [cer•ti•tude]

• The state of being certain; complete assurance; confidence. (noun)
• Sureness of occurrence or result; inevitability. (noun)
• Something that is assured or unfailing: "eager to swap the hazards of American freedom for the gray certitudes of Soviet life” ( Time). See Synonyms at certainty. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This is also the first time I have publicly used the word certitude since hearing it for the first time a few days ago."
• "It is worthy of notice, as regards the use of English terms, that Newman reserves the term certitude for the state of mind, and employs the word certainty to describe the condition of the evidence of a proposition."
• "All eyes, however, were staring at him in certitude of expectancy."