Definitions:

1. (of societies) highly developed especially in technology or industry adjective
   • advanced societies
2. ahead of the times adjective
   • the advanced teaching methods
3. at a higher level in training or knowledge or skill adjective
   • an advanced degree
4. far along in time adjective
   • The geriatrician was accustomed to patients of advanced age.
5. farther along in physical or mental development adjective
   • the child's skeletal age was classified as `advanced'

Synonyms:

• in advance
• modern
• ripe
• sophisticated