Able/ˈeɪbl/ Definition 1 of 3Pro Tip 1/3Opportunity Required Expresses that conditions must be met to do something. He was able to travel because he saved enough money. Pro Tip 2/3Not Always Success Being able to do something doesn't guarantee success. She was able to try the challenge but didn't succeed. Pro Tip 3/3Potential Action Highlights potential rather than a completed action. They are able to assist if you ask.