All fall back on synonyms

verb fall back on

• repair — to restore to a good or sound condition after decay or damage; mend: to repair a motor.
• use — to employ for some purpose; put into service; make use of: to use a knife.
• run — execution
• recur — to occur again, as an event, experience, etc.
• devote — If you devote yourself, your time, or your energy to something, you spend all or most of your time or energy on it.
• try — to attempt to do or accomplish: Try it before you say it's simple.
• visit — to go to and stay with (a person or family) or at (a place) for a short time for reasons of sociability, politeness, business, curiosity, etc.: to visit a friend; to visit clients; to visit Paris.
• haunt — to visit habitually or appear to frequently as a spirit or ghost: to haunt a house; to haunt a person.
• direct — to manage or guide by advice, helpful information, instruction, etc.: He directed the company through a difficult time.
• utilize — to put to use; turn to profitable account: to utilize a stream to power a mill.
• turn — to cause to move around on an axis or about a center; rotate: to turn a wheel.
• frequent — happening or occurring at short intervals: to make frequent trips to Tokyo.
• affect — If something affects a person or thing, it influences them or causes them to change in some way.
• address — Your address is the number of the house, flat, or apartment and the name of the street and the town where you live or work.
• go — to move or proceed, especially to or from something: They're going by bus.
• apply — If you apply for something such as a job or membership of an organization, you write a letter or fill in a form in order to ask formally for it.
• effect — something that is produced by an agency or cause; result; consequence: Exposure to the sun had the effect of toughening his skin.
• require — to have need of; need: He requires medical care.
• make use of — to employ for some purpose; put into service; make use of: to use a knife.
• take up — the act of taking.
• avail oneself of — to make use of to one's advantage
• go to — functioning properly and ready: two minutes before the satellite is to be launched and all systems are go.
• head for — go towards, go to
• look to — to turn one's eyes toward something or in some direction in order to see: He looked toward the western horizon and saw the returning planes.
• turn to — to cause to move around on an axis or about a center; rotate: to turn a wheel.