notional (adj.)

• abstract
• academic
• arbitrary
• baroque
• bizarre
• capricious
• conceptive
• conceptual
• conjectural
• cranky
• creative
• crotchety
• extravagant
• fancied
• fanciful
• fantastic
• fecund
• fertile
• fictive
• flaky
• florid
• freakish
• germinal
• grotesque
• harebrained
• hypothetic
• ideal
• ideational
• ideological
• illusory
• imaginary
• imaginative
• imagined
• impractical
• ingenious
• inspired
• inventive
• kinky
• maggoty
• moody
• moot
• motiveless
• nonexistent
• original
• originative
• outlandish
• petulant
• pregnant
• preposterous
• productive
• prolific
• quirky
• rococo
• seminal
• shadowy
• shaping
• speculative
• supposititious
• teeming
• temperamental
• theoretical
• unreal
• unreasonable
• unrestrained
• vagrant
• visional
• visioned
• wanton
• wayward
• whimsical
• wild