What is an Antonym for derisive?

Here are some antonyms for derisive, depending on the specific context:

Positive:

* Appreciative

* Complimentary

* Encouraging

* Respectful

* Admiring

* Supportive

Neutral:

* Neutral

* Objective

* Impartial

Negative:

* Serious (if the derision is lighthearted)

* Respectful (if the derision is disrespectful)

Other:

* Serious

* Earnest

* Sincere

The best antonym will depend on the specific context and the intended meaning.