openness

As nouns the difference between openness and nonsecrecy

is that openness is accommodating attitude or opinion, as in receptivity to new ideas, behaviors, cultures, peoples, environments, experiences, etc, different from the familiar, conventional, traditional, or one's own while nonsecrecy is lack of secrecy; openness.

As nouns the difference between openness and broadmindedness

is that openness is accommodating attitude or opinion, as in receptivity to new ideas, behaviors, cultures, peoples, environments, experiences, etc, different from the familiar, conventional, traditional, or one's own while broadmindedness is state or quality of being broadminded; openness to new things and new ideas.