Liberal Dictionary English Dictionary
noun
- the fundamental reason or reasons serving to account for something.
- a statement of reasons.
- a reasoned exposition of principles.
noun
- a reasoned exposition, esp one defining the fundamental reasons for a course of action, belief, etc
1650s, “exposition of principles,” from Late Latin rationale, noun use of neuter of Latin rationalis “of reason” (see rational). Hence, “fundamental reason” (1680s).