agreeable (adj.)youdaoicibaDictYouDict[agreeable 词源字典]
late 14c., "to one's liking," from Old French agreable (12c., Modern French agréable) "pleasing, in agreement, consenting, thankful," from agreer "to please" (see agree). Related: Agreeably. To do the agreeable (1825) was to "act in a courteous manner."[agreeable etymology, agreeable origin, 英语词源]