率直;正直
Ingenuousness \In*gen"u*ous*ness\, n. 1. The state or quality of being ingenuous; openness of heart; frankness. 2. Ingenuity. [Obs.] --Fuller.
ingenuousness n 1: the quality of innocent naivete [syn: {artlessness}, {innocence}, {naturalness}] 2: openly straightforward or frank [ant: {disingenuousness}]