masculine/feminine plural of ce: these, those

(Quebec) Initialism of certificat d’études secondaires: ≈ GED (high-school diploma), GCSE / (France) Initialism of collège d’enseignement secondaire (“junior high school, secondary school”)

these days, currently

thereupon, with this, at that juncture, at that moment, while this was going on

upon these words, thereupon, with this, on that note

(informal) one of these days, some day soon

(informal) one of these days, some day soon, sometime

(humorous or ironic) thereupon, with this, on that note

(informal, dated) one of these days, some day soon

(informal) see you, later