I. noun
Synonyms: experiment , experimentation, trial, trial and error, trial run
Related Word: inspection, scrutiny; confirmation, corroboration, substantiation, verification
II. verb
1.
Synonyms: try 1, check, examine, prove
Related Word: assay, essay; confirm, substantiate, verify
Idioms: bring to test
2.
Synonyms: prove 1, demonstrate, try
III. adjective
Synonyms: experimental 2, experimentative, trial
Related Word: proving, testing, trying; probationary, speculative