anticipative

From anticipate +‎ -ive.

anticipative (comparative more anticipative, superlative most anticipative)

1. Of or pertaining to anticipation; inclined to anticipate; expectant.
   • 1838 March – 1839 October, Charles Dickens, The Life and Adventures of Nicholas Nickleby, London: Chapman and Hall, […], published 1839, →OCLC:

     […] protestations of friendship, and expressions anticipative of the pleasure which must inevitably flow from so happy an acquaintance, were exchanged […]