The Collaborative International Dictionary
Rigorism
Rigorism \Rig"or*ism\, n. [Cf. F. rigorisme.]
Rigidity in principle or practice; strictness; -- opposed to laxity.
Severity, as of style, or the like.
--Jefferson.(Ethics) Strictness in ethical principles; -- usually applied to ascetic ethics, and opposed to ethical latitudinarianism.
Wiktionary
rigorism
n. strictness (in interpreting or enforcing a rule)