The term 'last stage' can be represented by four different crossword solutions: 'SUNSET' (6 letters), 'END' (3 letters), 'FINALE' (6 letters), and 'finalphase' (10 letters). 'SUNSET' is a metaphor for the END of the day, when the sun sets in the sky. 'END' is a synonym for the last part of something. 'FINALE' is a term used to describe the last performance or event in a series. 'Finalphase' is a combination of two words, 'FINAL' and 'PHASE', which together refer to the last part of a process.