A "peaer" can be defined as an individual who looks at or examines something closely. There are many synonyms for this word, such as scrutinizer, observer, spectator, investigator, examiner, inspector, and appraiser. All of these words convey the idea of someone who carefully considers and evaluates something. Some other possible synonyms for "peaer" include surveyor, assessor, auditor, reviewer, and analyst. Regardless of the particular term used, a "peaer" is always someone who pays attention to details and looks at something with a critical eye in order to gain a deeper understanding of its nature or value.