experimentation

experiment; essay (attempt); analysis (investigation); trial, tentative method, tatonnement., verification, probation, experimentum crucis, proof, criterion, diagnostic, test, crucial test., crucible, reagent, check, touchstone, pix; assay, ordeal; ring; curcuma paper, turmeric paper., empiricism, rule of thumb., feeler; pilot balloon, messenger balloon; pilot engine; scout; straw to show the wind., speculation, random shot, leap in the dark., analyzer, analyst; adventurer; experimenter, experimentist, experimentalist.

experiment; essay (endeavor); try, assay; make an experiment, make a trial of; give a trial to; put on trial, subject to trial; experiment upon; rehearse; put to the test, bring to the test, submit to the test, submit to the proof; prove, verify, test, touch, practice upon, try one's strength., grope; feel one's way, grope for one's way; fumble, tatonner, aller a tatons, put out a feeler, throw out a feeler; send up a pilot balloon; see how the land lies, see how the wind blows; consult the barometer; feel the pulse; fish for, bob for; cast for, beat about for; angle, trawl, cast one's net, beat the bushes., try one's fortune (adventure) [more]; explore (inquire).

experimental, empirical., probative, probatory, probationary, provisional; analytic, docimastic; tentative.

under probation, on one's trial.