Relating to or composed of figments; imaginary or invented rather than real.
From 'figment' (something imagined, from Latin 'figmentum' meaning something formed or fashioned) plus the suffix '-al' meaning related to or pertaining to.
The word 'figment' comes from Latin 'fingere' (to form, feign), the same root as 'fiction' and 'fiction'—showing how our minds 'form' or 'feign' things that aren't real!
Complete word intelligence in one call. Free tier — 50 lookups/day.