Page one, suggestive of plagiarism (6)
I believe the answer is:
piracy
'plagiarism' is the definition.
(I've seen this before)
'page one suggestive' is the wordplay.
'page' becomes 'p'.
'one' becomes 'i' (Roman numeral).
'suggestive' becomes 'racy' (I've seen this before).
'p'+'i'+'racy'='PIRACY'
'of' acts as a link.
(Other definitions for piracy that I've seen before include "burglary, in the main?" , "Act of plagiarism" , "Buccaneering" , "Robbery on the high seas" , "Illegal copying" .)