creed; belief; conviction; article of faith
A firmly held principle or set of beliefs, often personal, religious, or ideological. Used in formal and everyday contexts.
His political convictions are unwavering.
This company's management creed is 'customer first'.
She holds honesty as her guiding principle.
He acted according to his own creed.
She kept upholding her creed no matter what.
He remained true to his principles right to the end.