1. Doubt, specially in regard to the super sensible or transeendental either on the evidence of thought or on the evidence of revelation; a sceptical principle or system.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• sceptisism,
• skepticisim,
• skeptisism,
• skepticizm,
• acepticism,
• zcepticism,
• xcepticism,
• dcepticism,
• ecepticism,
• wcepticism,
• sxepticism,
• svepticism,
• sceptocism,
• sceptacism,
• sceptiscism,
• scepticisim,
• sceptizism,
• sceptiscizm,
• sceptecism,
• sceptizim

• susceptible,
• sceptical,
• skeptic,
• skepticism,
• sceptic,
• sceptically.

The adverb form of the word "scepticism" is "sceptically".

The adjective form of the word "scepticism" is "sceptical" (or "skeptical" in American English).

The plural form of the word "scepticism" is "scepticisms".

The singular form of the word "scepticism" is "skepticism"