| hit upon(verb, expression, phrasal verb, see, establish) |
| hook(verb, establish, strike, reveal, spot) |
| identify(verb, see, catch, observe, notice) |
| learn |
| light upon(verb, expression, phrasal verb, establish, catch) |
| locate(verb, catch, discover, find, trace) |
| meet(verb, see, catch, observe, notice) |
| meet with(verb, expression, phrasal verb, see, establish) |
| nose |
| note(verb, see, catch, observe, notice) |
| notice(verb, see, catch, observe, spot) |
| observe(verb, see, catch, notice, spot) |
| penetrate(verb, remove, determine, follow, discover) |
| piece together(verb, expression, phrasal verb, cover, do) |
| pierce(verb, remove, determine, follow, discover) |
| pin down(verb, expression, phrasal verb, establish, strike) |
| pinpoint(verb, establish, catch, strike, reveal) |
| place(verb, establish, strike, reveal, spot) |
| position(verb, establish, strike, reveal, spot) |
| probe(verb, remove, determine, follow, discover) |