What is the adverb for discuss?

There isn't a single perfect adverb that directly corresponds to "discuss." However, depending on the specific nuance you want to convey, you could use:

For emphasis:

* Thoroughly: "We discussed the issue thoroughly."

* Extensively: "They discussed the matter extensively."

* Frankly: "Let's discuss this frankly."

* Honestly: "We need to discuss our feelings honestly."

For manner:

* Warmly: "They discussed their plans warmly."

* Animatedly: "The group discussed the topic animatedly."

* Calmly: "We discussed the problem calmly."

For time:

* Briefly: "We discussed the matter briefly."

* Lengthily: "They discussed the plans lengthily."

For focus:

* Specifically: "We discussed the specific details of the project."

* Separately: "We discussed the issues separately."

The best adverb will depend on the specific context and the meaning you want to convey.