open-mindedness
noun/ˌəʊpən ˈmaɪndɪdnəs/
/ˌəʊpən ˈmaɪndɪdnəs/
[uncountable]- the quality of being willing to listen to, think about or accept different ideas opposite narrow-mindedness
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open-mindedness
Definition of open-mindedness noun from the Oxford Advanced Learner's Dictionary