The word "de-mote" means to move someone to a lower position or rank. Antonyms for "de-mote" would be words that refer to moving someone to a higher position or rank. Some antonyms for "de-mote" include "promote," "elevate," "advance," "uplift," and "exalt."
A promotion is a move up the hierarchy that comes with more responsibility and often comes with a pay increase. Elevate connotes a lifting to a higher status. Advance means to move forward in position or responsibility. Uplift suggests raising to a higher level of excellence. To exalt someone means to lift them up in honor or esteem. Using these antonyms for "de-mote" can add positive connotations and show upward movement and achievement.