1) Do a Shakespearean bit 2) Monologuise 3) Monologuize 4) Soliloquise 5) Speak 6) Talk 7) Talk to oneself 8) To perform a soliloquy 9) To talk to oneself 1) Monologuise 2) Monologuize 3) Soliloquise 
• (v. i.) To utter a soliloquy; to talk to one`s self.
So·lil'o·quize intransitive verb [ imperfect & past participle Soliloquized ; present participle & verbal noun Soliloquizing .] To utter a soliloquy; to talk to one's self. 
soliloquize 1. To talk to or to converse with oneself, or to utter one`s thoughts aloud without addressing anyone. 2. Performing a literary production representing, or imitating, a discourse. 3. The act of speaking to oneself; soliloquizing.
[Wuthering Heights] to 
[Literary terms] talk to oneself