Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act of asserting.
  • n. Something declared or stated positively, often with no support or attempt at proof.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The act of asserting, or that which is asserted; positive declaration or averment; affirmation; statement asserted; position advanced.
  • n. Maintenance; vindication; as, the assertion of one's rights or prerogatives.
  • n. A statement in a program asserting a condition expected to be true at a particular point, used in debugging.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of asserting, or that which is asserted; positive declaration or averment; affirmation; statement asserted; position advanced.
  • n. Maintenance; vindication.

from The Century Dictionary and Cyclopedia

  • n. The act of setting free; liberation.—2. The action of maintaining a cause or a claim: as, the assertion of one's rights.—3. The act of stating something to be true.
  • n. A positive declaration or averment; an unsupported statement or affirmation: as, his assertion proved to be false.
  • n. Synonyms Vindication, defense, maintenance.3 and Statement, asseveration, protestation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a declaration that is made emphatically (as if no supporting evidence were necessary)
  • n. the act of affirming or asserting or stating something

Etymologies

Middle French assertion, from Latin assertio (Wiktionary)

Examples

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