noun
tenet
TEN-it/ˈtenɪt/
A principle or belief held to be true.
Fairness is a central tenet that unites this community group.

Etymology
A tenet is something held in the mind as true. Its doctrinal meaning probably arose because Latin tenet, “he holds,” was used to introduce a statement of doctrine.
In context
Essential tenet of Western medicine is that diseases have causes.
More examples
- Respect for all living things is a tenet of her faith.
- The policy reflects our company's tenet that customer privacy comes first.
- They disagree about some of the movement's basic tenets.
Forms
tenet · tenets