pla·gia·rism
/ˈplājəˌrizəm/
noun: plagiarism; plural noun: plagiarisms; verb: plagiarize
the practice of taking someone else's work or ideas and passing them off as one's own.
Verb used in a sentence: "He was accused of plagiarizing a great deal of his research paper from the internet."
synonyms: copying, infringement of copyright, piracy, theft, stealing, poaching, appropriation; cribbing