If "recitation" refers to the act of saying something aloud from memory:
* Improvisation: Creating something spontaneously, without prior preparation.
* Spontaneous expression: Speaking freely without relying on a memorized script.
* Conversation: A back-and-forth exchange of ideas, not a one-sided delivery.
* Original composition: Creating something new rather than reciting something pre-existing.
If "recitation" refers to a memorized performance, especially of a poem or piece of literature:
* Interpretation: Analyzing and expressing a work in a personal way, going beyond simply reciting the words.
* Dramatic performance: Using acting techniques to bring a text to life, going beyond simply reciting the words.
* Creative response: Engaging with a text in a non-literal way, perhaps through dance, music, or visual art.
The best antonym for "recitation" will depend on the specific context of its use.