The phrase "provide conveniences for" can be replaced with several synonyms. To begin with, you can use "facilitate" to denote providing ease and comfort to someone. Alternatively, "offer amenities" can be used to infer providing luxury and comfort to an individual. The phrase "furnish with" works well when you're providing the necessary tools and equipment to make someone's life more comfortable. "Arrange for" can also be used to emphasize that you have made every effort to ensure that someone has the resources to meet their needs and live a comfortable life. Ultimately, these synonyms help you communicate that you are assisting someone by offering them essential resources and amenities.