| elicit(verb, determine, catch, observe) |
| espy(verb, determine, catch, observe) |
| ferret out(verb, expression, determine, catch) |
| find(verb, determine, catch, observe) |
| find out(verb, expression, check, determine) |
| get wind of(verb, expression, idiom, determine) |
| get wise to(verb, expression, idiom, determine) |
| glimpse(verb, determine, catch, observe) |
| hear(verb, determine, catch, observe) |
| identify(verb, determine, catch, observe) |
| invent(verb, determine, catch, observe) |
| learn(verb, determine, catch, observe) |
| light upon(verb, expression, determine, catch) |
| locate(verb, determine, catch, observe) |
| look up(verb, expression, determine, catch) |
| nose out(verb, expression, determine, catch) |
| notice(verb, determine, catch, observe) |
| observe(verb, determine, catch, notice) |
| originate(verb, determine, catch, observe) |
| perceive(verb, determine, catch, observe) |