assert

assert [asserting] v

L. ad, to + serěre, join, put; put one's hand on a slave's head to claim or to free that person; thus, set free, protect, defend, declare.

  1. Present; display; exhibit; show; attest; manifest; demonstrate openly.
  2. Substantiate; prove; validate; certify; verify; establish the predominance of; vindicate a claim to.
  3. Avow; argue; claim; insist; affirm positively; declare with confidence.