pseudorational

pseudo- +‎ rational

pseudorational (not comparable)

1. Supposedly, but not actually, rational; having only a veneer of reason or logic.
   • 1988, Brian P. McLaughlin, Amélie Rorty, Perspectives on Self-Deception, page 318:

     For these reasons, the self-deceiver is particularly recalcitrant and impervious to any attempts of her own to survey and critically revise her own pseudorational self-conception.

2. (mathematics) Able to be expressed as the convolution ratio of distributions with compact support.
   • 1991, Russian Mathematical Surveys, page 38:

     It is found that some pseudorational families also have the Cartesian property.