severity
● Rigor
● Harshness
● Strictness
● Formality
● Sternness
● Solemnity
● Acerbity
● Gravity
● Seriousness
● Coldness
● Stiffness
● Obduracy
● Inflexibility
● Stringency
● Asperity
● Grimness
● Exactness
● Hardness
● Rigidity
● Inclemency
● Astringence
● Exactingness
● Luxuriousness
● Spending
● Elaborateness
● Unimportance
● Kindness
● Indulgence
● Extravagance
● Meekness
● Gentility
● Calmness
● Blandness
● Mildness
● Informality
● Formalnesses