2ADV [ADVERB adjective, ADVERB before verb]的的确确;毋庸置疑 You use positively to emphasize that something really is the case, although it may sound surprising or extreme. 的的确确;毋庸置疑 [emphasis]
He's changed since he came back — he seems positively cheerful.
他回来后变了个样,看起来确实很高兴。
Parents are positively encouraged to be at school whenever possible.