Perhaps describing bill of goods under suspicion at first? (5)
I believe the answer is:
bogus
'perhaps describing' is the definition.
I can't judge whether this defines the answer.
'bill of goods under suspicion at first?' is the wordplay.
'at first?' suggests taking the first letters (I've seen 'at first' mean this).
The initial letters of 'bill of goods under suspicion' is 'BOGUS'.
Can you help me to learn more?
(Other definitions for bogus that I've seen before include "Fraudulent, fake" , "Fake, sham" , "Mock" , "Sham, false" , "Fake, phoney" .)