A single quotation mark, ('). This is often used for a quote within a quote, as in "Tom said 'What?'"
A punctuation mark to indicate that the text is a semi-quote, i.e. a close paraphrase that uses some of the author's original words.
A phrase that is a close paraphrase that uses some of the authors original words. For instance: "A fanatic is someone who will not change his mind or the subject of discussion," according to Winston Churchill.
Verb
To make a close paraphrase of a quotation, using some of its words.
2006, Ernest Thompson Seton, Rolf in the WoodsInstead of magnifying the damnation of those who follow not the truth (as the village understood it), she was content to semi-quote...
To modify a quote, adapting it to different circumstances but preserving the intent. "To semi-quote Shakespeare …"