open-minded

adjective

1. having or showing a mind receptive to new ideas or arguments.
2. unprejudiced; unbigoted; impartial.

adjective

1. having a mind receptive to new ideas, arguments, etc; unprejudiced

adj.also openminded, open minded, 1828, first recorded in Carlyle; from open (adj.) + minded. Figurative use of open (adj.) with reference to hearts, hands, etc. is from early 15c. Related: Open-mindedly; open-mindedness.