1. The doctrine which finds in all knowledge a certain contribution of the pure reason; the derivation of all, specially religions, truth from mere reason unaided by revelation.

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

• nationilism,
• nacionalism,
• rationilism,
• nationlism,
• rationalised,
• nationalisim,
• rationalsim,
• attonalism,
• rationalizm,
• ratinalism,
• rationlism,
• rationaalism,
• rationallism,
• rationelism,
• rationalisme,
• rationallisms,
• Rationalisims,
• Rakionalism,
• Patronalism,
• Patronolism

• rationalist,
• rationalness,
• rationality,
• rationally,
• rational,
• rationale,
• rationalize,
• rationalise,
• rationalistic.

The adjective form of the word "rationalism" is "rationalistic".

The plural of the "rationalism" can be the "rationalisms".

The singular of the "rationalism" can be the "rationalism".