1. adjective /ˈpɒzɪtɪv/
Positive words, that he would not bear arms against King Edward’s son.
b) Fully assured, confident; certain.
I’m absolutely positive youve spelt that wrong.
2. noun /ˈpɒzɪtɪv/
a) A thing capable of being affirmed; something real or actual.
b) A favourable point or characteristic.
Wikipedia foundation.