To arise means to come into being or to emerge, often unexpectedly. When a problem arises during a group project, it appears and needs attention. When questions arise in class, students think of things they want to understand better. Opportunities can arise when you least expect them, like when a friend suddenly invites you to join their soccer team.

The word suggests something coming up or appearing, like the sun arising over the horizon at dawn or steam arising from a hot cup of cocoa. When tension arises between friends because of a misunderstanding, that uncomfortable feeling appears where harmony used to be.

Arise has an old-fashioned cousin meaning to get up or stand up, which you might encounter in older stories: “The king commanded the knight to arise from his knees.” But today, people usually just say “get up” or “stand up” instead.

The key to understanding arise is recognizing that it describes things appearing or becoming noticeable, not things that were already clear. A conflict doesn't arise if everyone has quietly felt upset for weeks. It arises at the moment it becomes obvious and demands to be dealt with.