felicity

1. (uncountable) Happiness; (countable) an instance of this.Examples: "Whan this ſayd monument diſcouered was / Suche a ſuauite and fragrant odoure / Aſcended from the corps by ſingular grace / Paſſyng all worldly ſwetnes and ſauour / That all there present that day and hour / Suppoſed they had ben / in the felicite / Of erthely paradiſe / without ambiguite."; "[T]he wiſe Man gave his Teſtimony to this, as the juſt Standard of true Felicity, when he prayed to have neither Poverty nor Riches."; "[…] Mr. and Mrs. Norris began their career of conjugal felicity with very little less than a thousand a year."Synonyms: joy, mirth, blitheness, blithesomeness, cheerfulness, cheeriness, contentness, contentednessAntonyms: infelicityuncountable

2. (uncountable) An apt and pleasing style in speech, writing, etc.; (countable) an apt and pleasing choice of words.uncountable

3. (uncountable, rare) Good luck; success; (countable) An instance of unexpected good luck; a stroke of luck; also, a lucky characteristic.Synonyms: good fortune, fortuity, felicity, fortune, fortuitousness, fortuity, good fortune, good luckrareuncountable

4. (uncountable, semiotics) Reproduction of a sign with fidelity.Examples: "The quotation was rendered with felicity."uncountable

5. (countable) Something that is either a source of happiness or particularly apt.Examples: "[…] to weare our ſelues & neuer reſt, Untill we reach the ripeſt fruites of all, That perfect bliſſe and ſole felicitie, The ſweet fruition of an earthly crowne."; "The season’s main attraction, the felicities of the sun, dimmed in the light of our competition and our growing friendliness."countable

6. (uncountable, economics) Period (as opposed to lifetime) utility.Examples: "In equation (19.24) U#95;C(#92;cdot) is the marginal felicity of consumption[.]"uncountable