The quality or state of being sincere

plural of sincerity

comparative form of sincere: more sincere

sincerity

In a sincere or earnest manner; honestly. / (US) A conventional formula for ending a letter, used when the salutation addresses the person for whom the letter is intended by his or her name.

Genuine; meaning what one says or does; heartfelt. / Meant truly or earnestly. / (archaic) clean; pure

A male given name

(art) A partial return to modernism, going against prevailing modes of postmodernist irony or cynicism.

(idiomatic, chiefly Britain) A polite, formulaic phrase used at the end of a letter, especially when the sender knows the recipient's name.