| hear(verb, take, get, determine, see) |
| scent(verb, smell, detect, sniff) |
| discover(verb, determine, see, notice, realize) |
| find out(verb, expression, phrasal verb, determine, see) |
| smell(verb, sniff) |
| sniff(verb, smell) |
| understand(verb, determine, discover, receive) |
| catch(verb, take, get, determine, see) |
| get wise to(verb, expression, idiom, determine, see) |
| apperceive(verb, determine, discover, gather, receive) |
| apprehend(verb, take, get, catch, attend) |
| ascertain(verb, determine, see, catch, observe) |
| attend(verb, take, get, read, hear) |
| auscultate(verb, take, get, catch, attend) |
| be advised(verb, determine, discover, gather, receive) |
| be all ears(verb, take, get, catch, attend) |
| be informed(verb, determine, discover, gather, receive) |
| be led to believe(verb, determine, discover, gather, receive) |
| be told of(verb, determine, discover, gather, receive) |
| become aware(verb, expression, take, get, catch) |