sweeten

1. (transitive) To make sweet to the taste.Examples: "to sweeten tea"transitive

2. (transitive) To make (more) pleasant or to the mind or feelings.Examples: "to sweeten life"; "to sweeten friendship"transitive

3. (transitive) To make mild or kind; to soften.Examples: "to sweeten the temper"transitive

4. (transitive) To make less painful or laborious; to relieve.Examples: "to sweeten the cares of life"; "Our God to bless out home delights, / And sweeten every secret tear:— [...]"transitive

5. (transitive) To soften to the eye; to make delicate.Examples: "Correggio has made his memory immortal by the strength he has given to his figures, and by sweetening his lights and shadows, and melting them into each other."transitive

6. (transitive) To make pure and healthful by destroying noxious matter.Examples: "to sweeten rooms or apartments that have been infected"; "to sweeten the air"transitive