monologuize

To give a monologue; to soliloquize.

He kept the ball always going, but did not monologuize, except when he was appealed to as a judge, and then did it with a mellow grace that no man can learn without Natures aid.

In The Sound and the Fury, the beautiful reality of Caddy's character might be brought home to us by that means without actually making her monologuize.

To make into a monologue.

On the phenomenic level, of course, a dialogue can "monologuize" itself in the same way that a monologue can acquire features of "latent dialogue," etc. (see J. Mukafovsky, 1940a: 146-153);

At this point the thoughts of the boy are couched in the language of the boy — they are monologuized.