English

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Etymology

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promissory +‎ -ly

Adverb

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promissorily (not comparable)

  1. In a promissory manner.
    • 1650, Thomas Browne, Pseudodoxia Epidemica: [], 2nd edition, London: [] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, [], →OCLC:
      Nor was he obliged by oath unto a strict observation of that which promissorily was unlawful

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for promissorily”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)