Relating to invention; of the nature of invention.
The Century Dictionary (Public Domain)
Use "inventional" in a sentence
"The murals make a "theater" of locations that, apparently, was assumed to be conducive to inventional meditation — not because it provided subject-matter, but because the familiarity, the route - (and rote) - like quality, of such a patterned series in one's most tranquil space could help provide an order or "way" for compositional cogitation. 118 62"
"_ This is not evinced so much in creative directions as in poetical, musical, combinatory, inventional and what, if coupled with learning, we call literary imagination."
"He writes: Entrepreneurs have plenty of ideas, and some, like Steven P. Jobs of Apple, have come up with some brilliant ideas in the "inventional" sense of the word."