assertion
noun
[ əˈsəːʃ(ə)n ]
• a confident and forceful statement of fact or belief.
• "his assertion that his father had deserted the family"
Similar:
declaration,
contention,
statement,
claim,
submission,
postulation,
averment,
opinion,
proclamation,
announcement,
pronouncement,
assurance,
attestation,
affirmation,
protestation,
profession,
swearing,
insistence,
avowal,
maintenance,
asseveration,
Origin:
late Middle English: from Latin assertio(n- ), from the verb asserere (see assert).