| sift(verb, study, check, consider, criticize) |
| size up(expression, study, check, consider, criticize) |
| spy on |
| spy out(verb, phrasal verb) |
| study(verb, check, consider, observe, view) |
| take stock of(expression, idiom, study, check, consider) |
| traverse(verb, cover, spread, discover, travel) |
| turn over(expression, study, check, consider, criticize) |
| vet(verb, study, check, consider, criticize) |
| watch(noun, verb, check, examine, discover) |
| winnow(verb, study, check, consider, criticize) |
| wiretap(verb, study, consider, examine, review) |
| acknowledge |
| audit(noun, verb, study, check, consider) |
| be a busybody(search, bug, hunt, poke, tap) |
| be curious(search, bug, hunt, poke, tap) |
| be inquisitive(search, bug, hunt, poke, tap) |
| be nosy(search, bug, hunt, poke, tap) |
| be vigilant |
| be watchful |