The most common and most likely answer to this crossword clue is the 6 letter word SCENTS
I've seen this crossword clue in The Daily Telegraph
S
C
E
N
T
S
More clues leading to the result SCENTS
- Nosily picks up small coins
- Little money in Swiss banks
- Bouquets creating impression when delivered
- Reportedly notice smells
- Sniffs out small change in France
- Dollar and some change for perfumes
- Becomes aware of meaning when listening
- Gets wind of ship carrying cargo of American cash
- Gets wind of American cash being loaded on board ship
- Said to be facility for analyzing tracks
Buddy explains!

The straight part
We know that "Becomes aware of" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case becomes aware of = scents.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SCENTS mean?
SCENTS noun- A distinctive odour or smell.
- An odour left by an animal that may be used for tracing.
- The sense of smell.
- A perfume.
- Any trail or trace that can be followed to find something or someone, such as the paper left behind in a paperchase.
- Sense, perception.
- To detect the scent of; to discern by the sense of smell.
- To have a suspicion of.
- To impart an odour to.
- To have a smell.
- To hunt animals by means of the sense of smell.