Rationality (Skt. तर्कसंगति, Tarkasangati) is the quality of being based on reason and logic.

On the path of knowledge, rationality is:

• An essential quality of a seeker

• The ability to think logically and clearly

• The application of logic to experience

• Distinguished from rationalization (justifying beliefs)

Rationality, combined with direct experience, forms the basis of valid knowledge.

See also logic, discernment, critical thinking.