| wonder(verb, doubt, ponder) |
| catechize(verb, study, check, observe, examine) |
| delve(verb, action, study, consider, follow) |
| research(verb, action, study, check, consider) |
| look into(verb, expression, phrasal verb, action, study) |
| prospect(verb, action, study, check, separate) |
| solicit(verb, order, force, press, present) |
| scrutinize(verb, study, check, separate, consider) |
| cross-examine(verb, check, examine, measure, challenge) |
| make inquiry(verb, expression, idiom, study, consider) |
| request(verb, order, go, force, press) |
| petition(verb, order, go, force, press) |
| ask about(verb, expression, phrasal verb, examine, challenge) |
| dig(verb, action, study, consider, mind) |
| dispute(noun, verb, get, provoke, demand) |
| hit(verb, order, force, press, examine) |
| pump(verb, check, examine, measure, challenge) |
| requisition(verb, order, go, force, press) |
| sift(verb, action, study, check, separate) |
| call for(verb, expression, phrasal verb, order, get) |