Both Uses of

sufficient
in
The Awakening, by Kate Chopin

He was the only being present who possessed sufficient candor to admit that he was not listening to these gracious performances for the first time that summer.†
Chpt 9 *

sufficient = adequate (enough -- often without being more than is needed)

There was the occasional sound of music, of mandolins, sufficiently removed to be an agreeable accompaniment rather than an interruption to the conversation.†
Chpt 30

sufficiently = adequately (in a manner that provides enough -- often without being more than is needed)