temper, tempered, tempering, tempers, temperable 1. To modify by the addition of a moderating element; moderate: 'temper its doctrinaire logic with a little practical wisdom' (Robert H. Jackson)2. To bring to a desired consistency, texture, hardness, or other physical condition by or as if by blending, admixing, or kneading: temper clay; paints tha... Found on http://www.wordinfo.info/words/index/info/view_unit/2105/2