plagiarize
Concise Oxford English Dictionary © 2008 Oxford University Press:
plagiarize /ˈpleɪʤərʌɪz/ (or plagiarise /ˈpleɪdʒərʌɪz/)
▶verb take (the work or an idea of someone else) and pass it off as one's own.
– derivatives
plagiarism noun,
plagiarist noun,
plagiaristic adjective,
plagiarizer noun.
plagiarism noun,
plagiarist noun,
plagiaristic adjective,
plagiarizer noun.
– origin C18 (earlier (C17) as plagiarism): from L. plagiarius ‘kidnapper’.
'plagiarize' also found in these Oxford entries:

