A seemingly self-evident or necessary truth which is based on assumption; a principle or proposition which cannot actually be proved or disproved.
A fundamental assumption that serves as a basis for deduction of theorems; a postulate (sometimes distinguished from postulates as being universally applicable, whereas postulates are particular to a certain science or context).
An established principle in some artistic practice or science that is universally received.
A name between the first given name and the family name or surname; a second or subsequent given name.
A trait, activity, or action closely associated with or aptly describing a person.
One's mother's maiden name.