| have on good authority(verb, expression, idiom, determine, discover) |
| hearken(verb, take, get, catch, attend) |
| hit on(expression, catch, notice, spot, discover) |
| inspect(verb, consider, see, note, regard) |
| judge(verb, consider, determine, see, regard) |
| know again(verb, expression, make, note, observe) |
| knowledge |
| lay fingers on(verb, expression, idiom, meet, catch) |
| light on(verb, expression, meet, discover, locate) |
| light upon(verb, expression, meet, catch, strike) |
| listen(verb, take, get, catch, attend) |
| make distinction(verb, expression, determine, see, observe) |
| meet up with(verb, expression, idiom, meet, bear) |
| mention(verb, state, see, declare, observe) |
| mouth off(verb, expression, state, declare, observe) |
| nail(verb, make, note, observe, spot) |
| nose out(expression, catch, notice, spot, discover) |
| overhear(verb, take, get, catch, attend) |
| pass comment(verb, expression, state, catch, declare) |
| pay attention to(verb, expression, idiom, consider, see) |