Final answer:
The principle referred to in the question is the principle of beneficence, which requires actions that benefit the public and uphold public trust.
Step-by-step explanation:
The principle that says "members should accept the obligation to act in a way that will serve the public interest, honor the public trust, and demonstrate commitment to professionalism" is known as the principle of beneficence. This principle emphasizes the need to act in ways that are beneficial to others and that contribute positively to the welfare of the community. It is closely related to the concept of public spirit, which entails considering the interests of others when making decisions.
Professional organizations across various fields, such as nursing, teaching, and engineering, often incorporate the principle of beneficence into their codes of ethics. For example, the IEEE Computer Society, which represents professionals in computer science and engineering, includes in its code of ethics the obligation to produce software that is safe and does not harm the environment or impinge on privacy.