Of, relating to, or associated with: talkative.
[Middle English, from Old French -atif, -ative, from Latin -ātīvus, from -ātus, past participle suff.; see -ate1.]
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.
suffix forming adjectives
of, relating to, or tending to: authoritative; decorative; informative.
[from Latin -ātīvus, from ātus -ate1 + īvus -ive]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a suffix used to form adjectives from verbs ending in -ate1 (regulative); on this model, used to form adjectives from other stems (normative).
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