1. posit- + -ive.
2. etymologically means 'placed down, laid down', hence 'emphatically asserted'.
3. from Latin, meaning 'settled by agreement'.
4. => dealing only with facts, absolute, expressed without qualification, confident in opinion, concentrating on what is constructive and good.
5. placed down, laid down: 着实、敲定、确定下来,或者主观、武断地确定下来,或者主观地认为确定下来了。
6. 即:由字面、词源含义(placed down, laid down)引申表示为:主观心理的、客观实际的放下来了、确定下来的、定下来了。
7. positive + -ness.