The term 'AGES' can be used to refer to a long period of time. The crossword solutions for this term include 'ETERNITY' (8 letters), 'FOREVER' (7 letters), 'EON' (3 letters), 'AEON' (4 letters), 'EONS' (4 letters), 'ERAS' (4 letters), 'AEONS' (5 letters), 'TEENS' (5 letters), 'YEARS' (5 letters), 'CYCLES' (6 letters), 'EPOCHS' (6 letters), 'GETSON' (6 letters), 'RIPENS' (6 letters), 'ROCKOF' (6 letters), 'GROWSOLD' (8 letters), 'GETSOLDER' (9 letters), 'FOREVERANDADAY' (14 letters), and 'AMONTHOFSUNDAYS' (15 letters). These words all refer to a long period of time, ranging from a few years to ETERNITY.