The word "astringencies" refers to the qualities of being harsh, bitter, and astringent. Antonyms for this word would be those that describe the opposite qualities. These could include words like mildness, gentleness, softness, sweetness, and tenderness. Astringencies are often associated with unpleasant tastes or textures, so antonyms would describe something pleasurable or soothing. Other antonyms might include words like ease, leniency, indulgence, and comfort. In general, antonyms for astringencies would describe qualities that are calming, welcoming, and nourishing, rather than astringent or harsh.