See more synonyms for suppositive on
  1. of the nature of or involving supposition; suppositional.
  2. supposititious or false.
  3. Grammar. expressing or noting supposition, as the words if, granting, or provided.
  1. Grammar. a suppositive word.

Origin of suppositive

1595–1605; < Late Latin suppositīvus, equivalent to supposit(us) (see supposition) + -īvus -ive
Related formssup·pos·i·tive·ly, adverbnon·sup·pos·i·tive, adjective, nounnon·sup·pos·i·tive·ly, adverbun·sup·pos·i·tive, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for suppositive

Historical Examples of suppositive

British Dictionary definitions for suppositive


  1. of, involving, or arising out of supposition
  2. grammar denoting a conjunction introducing a clause expressing a supposition, as for example if, supposing, or provided that
  1. grammar a suppositive conjunction
Derived Formssuppositively, adverb
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