Used attributively before a noun to describe highly enthusiastic approval (e.g., "rave reviews").
Definitionen
Expressing or conveying very enthusiastic approval; highly favourable (only before a noun). The singer’s latest album received rave reviews from every major magazine.
Relating to or characteristic of electronic dance music, parties, or the youth subculture associated with such events (attributive). She bought a pair of neon boots to complete her rave outfit for the festival.