An individual needs to establish a working relationship with a group.
An audience that already shares common interests wishes to develop a collective identity in order to better coordinate action and create a sense of group belonging.
Judgement by a respected deliberative body is called for on a topic despite the existence of differing opinions within that body.
Based on perceived need, speakers with a vested interest in the judgement appeal to a deliberative body or individual to adopt a policy or object in the name of mutual self-interest.
An audience with shared values and interests comes together to praise something consistent with those values and interests.
An audience desires to broaden and pursue preexisting interests by seeking out speakers (and other audience members) capable of helping them achieve their aims.
administrative officials seek to efficiently implement policy decisions and deliver facts to a subordinate audience.
An identified group who shared political and social aims seeks to present their case to a larger public audience by creating a media event based around eloquent public speech.