Broad-minded; liberal; capable of more than one view of a subject.
The Century Dictionary (Public Domain)
Use "wide-minded" in a sentence
"God Bless her by those awefully nice Chaps Mr Harper & Mr Rudd but even wide-minded Colonials et exColonials would be endorsing this SECOND BLAST OF THE TRUMPET against the MONSTROUS REGIMENT of WOMEN … if Canada & the USA was under the Government of the afore=mentioned Ladies"
"How like him to say that, so generous, so wide-minded, taking the hopeful view of everything."
"He was no longer patron of the arts, a wide-minded philanthropist, the man who devotes himself to the good of humanity."