1. the process of improving or making something better
Usage: formal
2. the process by which a word develops a more positive meaning over time
Usage: linguistics

Examples

• The melioration of working conditions was a key goal of the labor union.
• Urban planning focused on the melioration of public spaces in the downtown area.
• The word ‘nice’ underwent melioration, changing from meaning ‘foolish’ to ‘pleasant.’
• Environmental melioration requires sustained effort from all stakeholders.
• The company’s melioration program addressed employee satisfaction and productivity.
• Linguists study melioration as one type of semantic change in language evolution.