Having power or serving to convince or convict.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "convictive" in a sentence
"His way of reasoning is always his own, sometimes sublime and heavenly, so as not to be reduced unto the common rules of our arts and sciences, without a derogation from its instructive, convictive, and persuasive efficacy."
"Confidence, not fear, is the keynote of a strong and convictive doctrine."
"When they arrived in New York she confronted everybody whom she met with a stony stare, which was almost accusative and convictive of guilt, in spite of entire innocence on the part of the person stared at."