The phrase "able to refuse to" is correct and usable in written English.
You can use it when discussing someone's capacity or capability to decline or reject something.
Example: "She is able to refuse to participate in the event if she feels uncomfortable."
Alternatives: "capable of declining" or "has the ability to reject".
Republicans will still be able to refuse to raise taxes.
Should the warfighter be able to refuse to have them reversed upon discharge?
Anthony Picarello, the lawyer for the U.S. Conference of Catholic Bishops, said his taxpayer-subsidized group wanted anyone – Mr. Picarello cited a Taco Bell owner – to be able to refuse to pay for birth control insurance.
The taxmen will not be able to refuse to register a scheme, but they will know all its details, and can in effect ban it overnight by announcing that retroactive legislation will be coming later.
It wants to be able to refuse to grant provincial-government contracts to federally regulated companies, such as banks, telecoms firms or railways, unless they abide by the rules.
Groups running federally funded programs might be able to refuse to hire an applicant because he had been divorced, or fire a worker who has a child out of wedlock.
Ms. McGuire said that one thing the letter writer may be able to do would be to refuse to vacate the apartment, forcing the landlord to take him to court.
Staff have reported the absurdist dialogues that can result, like when they are not allowed to tell customers that they cannot help even in the most hopeless cases, leading customers into circular conversations with employees able neither to help nor to refuse to do so.
Eighty-one percent of women polled said businesses should not be able to refuse service to gays and lesbians, and the same number said pharmacies should not be allowed to refuse to fill prescriptions for birth control on religious grounds.
Many who agree that bakers should be able to refuse gay weddings would be horrified to learn that this also might eventually encompass the right to refuse to bake a cake for a divorced person's wedding.
Neighborhood associations should be allowed to discriminate on the basis of race, he has written, and private businesses ought to be able to refuse service to anyone they wish.
