Ethos (noun)

1. The set of beliefs, values, and practices that characterizes a particular community, society, or culture.
2. A guiding belief or ideology.

Origin:

From greek ethos, meaning 'custom, habit, character'. .

Examples:

1. The company's ethos of hard work and innovation is what sets it apart from its competitors.
2. The ethos of the school is to provide students with a well-rounded education.
3. The religious ethos of the community is centered around compassion and love for one another.
4. His personal ethos is one of honesty and integrity.
5. The ethos of the organization is to make a positive impact on the world.