(n.) A performer on a musical instrument; an instrumentalist.

Cyrenaic Eleatic Epicurean Megarian Stoic accompanist accompanyist animist animistic atomistic bandman cosmotheistic eclectic empirical eudaemonistic existential hedonic hedonist hedonistic humanist humanistic idealistic instrumentist materialistic mechanistic metaphysical monistic naturalistic nominalist panlogistical pantheistic positivist positivistic pragmatic pragmatist rationalistic realist realistic ripieno scholastic sensationalistic symphonist syncretistic theistic transcendentalist transcendentalistic utilitarian vitalistic voluntarist voluntaristic