[f. prec. + -NESS.] The quality of being trustful or confiding.
1832. Lytton, Eugene A., III. iii. There was a remarkable trustfulness in Madelines disposition.
1864. Dickens, Lett. (1880), II. 213. Trustfulness is at the bottom of all social institutions.
1896. Dk. Argyll, Philos. Belief, 411. A reasonable trustfulness in our fellow-men is recognized as a virtue.