D defs.my
Entry 2 senses Webster, 1913

Avowance

· A·vow·ance · IPA /əˈvaʊəns/
01 n. Act of avowing; avowal.
  1. 1.
    Act of avowing; avowal.
  2. 2.
    Upholding; defense; vindication.[Obs.]
    “Can my avowance of king-murdering be collected from anything here written by me?” Fuller.