o·pen-mind·ed
/ˈˌōpən ˈˌmīndid/
adjective
willing to consider new ideas; unprejudiced.
"a serious and open-minded newspaper"
synonyms: unbiased, unprejudiced, prejudice-free, accepting, nonpartisan, neutral, nonaligned, nonjudgmental, nondiscriminatory, anti-discrimination, objective, disinterested, dispassionate, detached;