| pierce(verb, sound, examine, test, investigate) |
| poke(verb, investigate, dig, penetrate, explore) |
| poke around |
| probe(verb, investigate, explore, research, delve) |
| prod(verb, sound, examine, test, investigate) |
| prospect(verb, investigate, dig, explore, research) |
| put out a feeler(verb, expression, idiom, sound, examine) |
| query(verb, sound, examine, test, investigate) |
| quiz(verb, examine, test, investigate, survey) |
| scrabble |
| scrutinize(verb, investigate, dig, explore, research) |
| sift(verb, investigate, dig, explore, research) |
| sound(verb, examine, test, investigate, survey) |
| sound out(verb, expression, phrasal verb, sound, examine) |
| study(verb, investigate, dig, explore, research) |
| test(verb, examine, investigate, survey, dig) |
| test the waters(verb, expression, idiom, sound, examine) |
| verify(verb, examine, test, investigate, survey) |
| delve(investigate, research) |
| dig(verb, investigate, penetrate, explore, research) |