(a.) of or pertaining to idealists or their theories.

Berkeleian Cyrenaic Eleatic Epicurean Hegelian Kantian Megarian Neoplatonic Neoplatonistic Platonic Platonistic Stoic airy animist animistic atomistic autistic big bighearted chivalrous cosmotheistic dereistic eclectic elevated empirical eudaemonistic exalted existential generous great great of heart greathearted handsome hedonic hedonist hedonistic heroic high high-minded humanist humanistic idealist immaterialist impractical in the clouds instrumentalist knightly largehearted liberal lofty magnanimous materialistic mechanistic metaphysical monistic naturalistic noble noble-minded nominalist openhanded optimistic otherworldly panlogistical panpsychist panpsychistic pantheistic poetic positivist positivistic pragmatic pragmatist princely quixotic rationalistic realist realistic romancing romantic romanticized scholastic sensationalistic solipsistic spiritualist spiritualistic starry-eyed storybook sublime syncretistic theistic transcendental transcendentalist transcendentalistic transmundane unpractical unrealistic utilitarian visionary vitalistic voluntarist voluntaristic wish-fulfilling