open-minded

US /ˌoʊ.pənˈmaɪn.dɪd/
UK /ˌoʊ.pənˈmaɪn.dɪd/
"open-minded" picture
1.

willing to consider new ideas; unprejudiced.

:
She's very open-minded and always willing to listen to different perspectives.
To truly understand, you need to be open-minded.