The term 'Wagering Factor' is a term used in gambling and betting. The crossword solution for this term is 'ODDS', which is a numerical expression of the likelihood of an event occurring. ODDS are usually expressed as a ratio, with the first number representing the chances of success and the second number representing the chances of failure. For example, if the ODDS of winning a game are 3:1, then there is a three-in-four chance of winning.