forgetive

for·ge·tive

 (fôr′jĭ-tĭv)
adj. Archaic
Capable of imagining or inventing.

[Possibly from forge + -tive (as in inventive or creative).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

forgetive

(ˈfɔːdʒəˌtɪv)
adj
(Literary & Literary Critical Terms) poetic imaginative and inventive
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

for•ge•tive

(ˈfɔr dʒɪ tɪv, ˈfoʊr-)

adj. Archaic.
inventive; creative.
[1590–1600; perhaps b. forge1 and creative]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
"It ascends me into the brain, dries me there all the foolish and crudy vapors which environ it, makes it apprehensive, quick, forgetive, full of nimble, fiery, and delectable shapes, which, delivered o'er to the voice, the tongue, which is the birth, becomes excellent wit" (4.4.95-100).
It rises to the brain, evaporates all the foolishness that gathers there, and makes the brain "quick, forgetive, full of nimble, fiery, and delectable shapes," or, to say it another way, sack engenders wit (98).
Sack "ascends me into the brain," Falstaff tells us, "dries me there all the foolish and dull and crudy vapors which environ it, makes it apprehensive, quick, forgetive, full of nimble, fiery, and delectable shapes, which deliver'd o'er to the voice, the tongue, which is the birth, becomes excellent wit" (2 Henry IV 4.3.97-102).