Discussing your own family traditions, beliefs and practices and encouraging your child to vocalise their beliefs.
Discussing the fact that other people may have different traditions, beliefs and practices and that these should be respected
Exposing your child to other cultures and beliefs through books, TV programmes, visits to museums and places of worship
There are many books, both stories and non-fiction that provide a good starting point for such discussions
Being aware that we can listen to other people's ideas and be open to changing our minds if other people's arguments are persuasive!
Being open to philosophical discussion, including discussion of broader issues such as animal welfare, people's responsibility for our world, whether certain things eg stealing can ever be excusable