Definitions
1.VerbTo try or experiment with (something or someone) in order to see if it works, is true, or is successful.
2.VerbTo explore (something one has little experience with), especially to do so in a safe environment.
3.VerbTo explore how (someone) responds to something; To feel someone out.
4.VerbTo demonstrate a certain result in a test, especially a successful result.
5.VerbTo pass a placement test that enables one to avoid taking a course.
6.NounA trial; an experiment to see how or whether something works; the act of testing something out.
7.NounA placement test that allows someone to skip a course.