Illiberalities refer to the quality or state of being illiberal, which means narrow-minded or intolerant towards other people's views and practices. The opposite of illiberalities would therefore be the quality or state of being liberal, which means open-minded and accepting of diversity. Synonyms for liberalities include tolerance, broad-mindedness, and open-heartedness. In contrast, antonyms to illiberalities include bigotry, closed-mindedness, and dogmatism. Embracing liberalities promotes inclusivity and equality, making it an essential trait for individuals seeking to build harmonious relationships and communities that value diversity.