rigour

Noun	1.	rigour - the quality of being logically valid Synonyms: validity, cogency, rigor
	2.	rigour - something hard to endure; "the asperity of northern winters" Synonyms: asperity, rigor, rigorousness, severity, grimness, hardship
	3.	rigour - excessive sternness; "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp" Synonyms: inclemency, rigor, severity, stiffness, hardness, harshness