soften

/ˈsɔfən/
verb
  1. To make or become less hard, firm, or stiff.
    • The heat will soften the wax so you can shape it.
    • Leave the butter out to soften before baking.
    • She used a conditioner to soften her hair.
  2. To make or become less severe, harsh, or strict.
    • The teacher softened her tone when she saw the student was upset.
    • The new law softens penalties for minor offenses.
    • His expression softened when he saw the puppy.
  3. To make or become less loud, bright, or intense.
    • She softened the music so they could talk.
    • The curtains soften the harsh sunlight in the room.
    • The filter softens the colors in the photograph.
  4. To make someone more sympathetic, gentle, or less resistant.
    • Time had softened her memories of the difficult years.
    • The charity's work softened public opinion about the issue.
    • Her apology softened his anger.