| dig into(verb, expression, study, check, consider) |
| interrogation(noun, study, search, test, race) |
| prove(verb, study, check, consider, observe) |
| scan(noun, verb, study, check, consider) |
| scout(verb, study, check, consider, examine) |
| sift(verb, action, study, check, consider) |
| trial(noun, verb, study, check, measure) |
| analyse |
| enquire into |
| essay(noun, test, trial, notion, theory) |
| verify(verb, examine, try, test, investigate) |
| observation(noun, study, order, check, information) |
| appraise(verb, study, check, consider, criticize) |
| cast around(verb, expression, phrasal verb) |
| check up(verb, expression, phrasal verb, study, check) |
| consider(verb, study, check, criticize, observe) |
| consult(verb, study, examine, search, investigate) |
| disquisition(noun, information, review, story, notion) |
| exploratory |
| go into(verb, expression, action, study, check) |