A departure from what is normal, usual, or expected, typically one that is unwelcome….
Aberration
Person who has informal and unconventional social habits, especially an artist or writer.
Bohemian
The expression of formal disapproval.
Censure
Brief or casual involvement with something.
Dalliance
To reason or conclude from given facts.
Educe
A particular aspect or feature of something.
Facet
A decoration or embellishment for something, especially food.
Garnish
A small settlement, generally one smaller than a village.
Hamlet
A system of ideas and ideals, especially one that forms the basis of economic or political theory and policy.
Ideology
Cheerful and friendly.
Jovial