1) Decade 2) Decennary 3) Decennium 4) Dot-com boom era 5) Gay decade 6) Gay era 7) Gay old time 8) Gay years 9) Good time for dot coms 10) Last decade of a century 11) Recent decade 12) Summer temperature range 13) The decade from 1890 to 1899 14) The decade from 1990 to 1999 15) They end a century Found on https://www.crosswordclues.com/clue/nineties