Words similar to co-signing

Example sentences for: co-signing

How can you use “co-signing” in a sentence? Here are some example sentences to help you improve your vocabulary:

Bayoumi obliged by not only locating an apartment but also helping them fill out the lease application, co-signing the lease and, when the real estate agent refused to take cash for a deposit, helping them open a bank account (which they did with a $9,900 deposit); he then provided a certified check from his own account for which the al Qaeda operatives reimbursed him on the spot for the deposit.