Based on or involving conjecture. See Synonyms at supposed.(adjective)
Tending to conjecture.(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 "conjectural" in a sentence
"The only physical cause for the practice which suggests itself to me and that must be owned to be purely conjectural, is that within the Sotadic Zone there is a blending of the masculine and feminine temperaments, a crasis which elsewhere occurs only sporadically."
"Already we can see how such advances have brought about a watershed in conjectural modeling in humanistic fields such as art conservation."
"When there is a dispute as to the fact, since the cause is confirmed by conjectures, it is called a conjectural statement."