guaranteeing
v.v. promising that something will definitely happen or be true. You use this when you want to make someone feel certain about a result.
v. providing a formal assurance or promise that certain conditions will be fulfilled or that a specific outcome is certain. Present participle of 'guarantee'; functions as the head of a verb phrase or as a gerund.
The company is guaranteeing a full refund if you are not happy.
By guaranteeing the loan, the government encouraged banks to lend money to small businesses during the economic crisis.
While the new security measures are effective, the director stopped short of guaranteeing that no further data breaches would occur, citing the evolving nature of cyber threats.
Transitive — requires a direct object, often a noun phrase or a 'that' clause.
guaranteeing to you a winguaranteeing you a winThe verb is typically used with a direct object (the thing promised) and an optional indirect object without 'to'.