non-rational

adjective4

1. •
   Contrary to reason; lacking an appropriate or sufficient reason; irrational.
2. •
   Not based on one's own interests; inconsistent with utility maximization.
3. •
   Not within the domain of what can be understood or analyzed by reason; outside the competence of the rules of reason.

   • In the total artistic process the two phases—rational and non-rational, planful and inspirational—may be successive or simultaneous. — 1959
4. •
   Lacking the ability to reason.

   • But what of non-rational beings—the animal or infant-man of attuition? — 1898