rigorism

from The Collaborative International Dictionary of English v.0.48

Rigorism \Rig"or*ism\, n. [Cf. F. rigorisme.]
   1. Rigidity in principle or practice; strictness; -- opposed
      to {laxity}.
      [1913 Webster]

   2. Severity, as of style, or the like. --Jefferson.
      [1913 Webster]

   3. (Ethics) Strictness in ethical principles; -- usually
      applied to ascetic ethics, and opposed to ethical
      {latitudinarianism}.
      [Webster 1913 Suppl.]