ingenuousness n 1: the quality of innocent naivete [syn: {artlessness}, {innocence}, {ingenuousness}, {naturalness}] 2: openly straightforward or frank [ant: {disingenuousness}]
Ingenuousness \In*gen"u*ous*ness\, n. 1. The state or quality of being ingenuous; openness of heart; frankness. [1913 Webster] 2. Ingenuity. [Obs.] --Fuller. [1913 Webster]