Which term best applies to the perception of a speaker as believable and reliable?

Credibility.

Credibility has two key segments: trustworthiness and expertise, which both have objective and subjective segments. trustworthiness is construct more considering subjective variables, yet can incorporate target estimations, for example, built up unwavering quality. Aptitude can be comparably subjectively seen, yet additionally incorporates generally target attributes of the source or message (e.g., qualifications, confirmation or data quality).

if you have to make a general question and respond to your thoughts, then this isn't really a question someone can you on. read the passage, form your question, and answer using your thoughts. no one else can understand how you interpreted this text if you don't tell us.

the answer is tom watson. tom watson created this epitaph because he wanted to increase the sympathy felt by people towards the murder of mary phagan.