existential (adj.)

• animist
• animistic
• atomistic
• eclectic
• empirical
• hedonic
• hedonistic
• humanist
• humanistic
• idealistic
• materialistic
• mechanistic
• metaphysical
• monistic
• naturalistic
• pantheistic
• positivist
• positivistic
• pragmatic
• rationalistic
• realistic
• scholastic
• sensationalistic
• syncretistic
• theistic
• utilitarian