ingenuousness
nounEtymology From ingenuous + -ness.
1
The condition of being ingenuous.
2
An ingenuous behavior.
- Time passed; Moira grew up, chronologically; but Sir Watney went on treating her as a spoilt child, went on being enchanted by her birdy chirrupings and ingenuousnesses and impertinent enfant-terrible-isms.1930, Aldous Huxley, Brief Candles: