Ulterior motives refer to the secret or underlying intentions of a person or group. AGENDAS, AGENDA, angles, and hiddenagendas are all terms related to ulterior motives. An AGENDA is a plan of action or a list of topics to be discussed. Angles refer to the different perspectives or points of view that can be taken when considering a situation. Hiddenagendas are AGENDAS that are kept secret and not revealed to others.