REQUISITE is a relatively simple word with easy application rules. To learn the word it can be broken into the phrase required at site, that would come to mean that something is required at the site and hence is necessary for the proper functioning of the same. Hence it would come to mean anything that is necessary for a particular purpose.
Meaning of Requisite:
1. required or necessary for a particular purpose, position, etc.
Sentence Examples for Requisite:
1. A university degree has become a requisite for entry into many professions.
2. She lack the requisite experience for the job.