What is an antonym for dissimulation?

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

General Antonyms:

* Honesty

* Truthfulness

* Frankness

* Candor

* Openness

* Transparency

* Authenticity

More Specific Antonyms:

* Revelation (opposite of concealing)

* Disclosure (opposite of hiding)

* Veracity (opposite of deception)

* Ingenuousness (opposite of cunning)

The best antonym will depend on the specific situation and the intended meaning. For example, if you're talking about someone being deceptive, "honesty" might be the best antonym. But if you're talking about someone concealing information, "disclosure" might be more appropriate.