respectable (adj.)youdaoicibaDictYouDict[respectable 词源字典]
"worthy of esteem," 1580s; see respect (v.) + -able. Sense of "having an honest reputation" is from 1755. That of "occupying a fairly good position in society" is c. 1800. Related: Respectably. [respectable etymology, respectable origin, 英语词源]