1. (v. t.) To endow with human characteristics; to make gentle or refined\.

2. (v. t.) To render human or humane; to soften; to make gentle by overcoming cruel dispositions and rude habits; to refine or civilize.

3. (v. t.) To convert into something human or belonging to man; as, to humanize vaccine lymph.

4. (v. i.) To become or be made more humane; to become civilized; to be ameliorated.

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