The term 'GIFT of PERSUASIVENESS' can be broken down into two words, 'GIFT' and 'PERSUASIVENESS'. The first word, 'GIFT', is defined as something given voluntarily without payment in return, while the second word, 'PERSUASIVENESS', is defined as the ability to convince someone to do or believe something. Together, the term 'GIFT of PERSUASIVENESS' refers to the ability to influence or persuade someone through the use of one's words. The crossword solution for this term is 'TONGUE', which is a reference to the power of language and communication. In other words, the term 'GIFT of PERSUASIVENESS' is a metaphor for the power of words to influence and persuade others.