simple-heartedness

• simpleheartedness

simple-hearted +‎ -ness

simple-heartedness (uncountable)

1. The state or quality of being simple-hearted; guilelessness, sincerity, lack of sophistication.
   • 1998, John Francis McDermott, Before Mark Twain: A Sampler of Old, Old Times on the Mississippi, →ISBN, page 37:

     ... my slight intercourse with him added to the respect which I feel to those of his class, in whom generous feeling, sound practical sense, and shrewd judgment, are often found united with unassuming manners and simple-heartedness.