soliloquize

From soliloquy +‎ -ize.

soliloquize (third-person singular simple present soliloquizes, present participle soliloquizing, simple past and past participle soliloquized) (American and Oxford British spelling)

1. (intransitive, drama) Of a character: to perform a soliloquy, to talk to oneself.
   • 1834, L[etitia] E[lizabeth] L[andon], chapter XXXIV, in Francesca Carrara. […], volume III, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, page 276:

     "Now, I am quite sure that our beautiful hostess has been making an assignation," soliloquised Charles, who, for want of something better to do, had been watching the various actions of the group in the principal chamber in the castle, […]

   • 1899, Knut Hamsun, “Part III”, in George Egerton [pseudonym; Mary Chavelita Dunne Bright], transl., Hunger […], London: Leonard Smithers and Co […], →OCLC, page 164:

     I rubbed my hands with delight over my happy notion, and soliloquised aloud, "What a joy there is in going about doing good actions."

2. (intransitive) To think to oneself.
   • 1913 June–December, Edgar Rice Burroughs, “Through the Valley of the Shadow”, in The Return of Tarzan, New York, N.Y.: A[lbert] L[evi] Burt Company, […], published March 1915, →OCLC, page 132:

     Far up in the mountains he heard a lion roar. How much safer one was, he soliloquized, in the haunts of wild beasts than in the haunts of men.

• soliloquise (non-Oxford British spelling)

• monologize