WordWeb Online

1. Come to pass
   "Nothing occurred that seemed important"
   - happen, hap, go on, pass off, pass, fall out, come about, take place
    
2. Come to one's mind; suggest itself
   "It occurred to me that we should hire another secretary"
   - come
    
3. To be found to exist
   "sexism occurs in many workplaces"; "precious stones occur in a large area in Brazil"

Derived forms: occurred, occurs, occurring

Type of: appear, become, come along