open-minded
adjective
1 they have sympathetic, open-minded attitudes to young people:
unbiased, unprejudiced, prejudice-free, accepting, non-partisan, neutral, non-aligned, non-judgemental, non-discriminatory, anti-discrimination, objective, disinterested, dispassionate, detached;
tolerant, liberal, permissive, broad-minded, undogmatic, unprescriptive.
▷antonyms prejudiced, judgemental.
open-minded Oxford Dictionary of English