General Acceptance:
* Tolerance
* Inclusivity
* Diversity
* Open-mindedness
* Respect
* Appreciation
* Understanding
* Empathy
More Specific:
* Multiculturalism (focuses on cultural differences)
* Interculturalism (emphasizes interaction and exchange between cultures)
* Pluralism (acknowledging and valuing different beliefs and perspectives)
* Equity (fairness and impartiality, especially in recognizing and addressing differences in needs)
The best word to use will depend on the specific context and the message you want to convey.