To investigate scientifically
analyze, investigate, test, try, probe, search, venture, explore, diagnose, prove, conduct an experiment, research, verify, speculate, study, examine, scrutinize, weigh, assay, sample, dissect, make inquiry, follow a clue, put to the test, play around with*, fool with*, cut and try*.
To put on trial
An operation to establish a principle or a truth
trial, test, analysis, essay, examination, clinical trial, investigation, experimentation, inspection, search, organized observation, research, scrutiny, trial and error, speculation, check, proof, demonstration, verification, sifting, dissection, operation, exercise, probe.
A trial arrangement
trial implies the trying of a person or thing in order to establish worth in actual performance hired on trial; experiment implies a showing by trial whether a thing will be effective the honor system was instituted as an experiment and, in addition, is used of any action or process undertaken to discover something not yet known or to demonstrate something known experiments in nuclear physics; test implies a putting of a thing to decisive proof by thorough examination or trial under controlled conditions and with fixed standards in mind a test of a new jet plane
An operation employed to resolve an uncertainty:experimentation, test, trial. See investigate verb
To engage in experiments:test. See investigate