Materialize

1. Become actual fact; happen, appear or be present when expected.
2. (of a ghost, spirit, or similar entity) appear in bodily form. represent or cause to appear in bodily or physical form.

Language helps us to materialize ideas and thoughts. Once you address a lingering thought in mind the idea becomes tangible almost becomes a truth. When gossiping, something you say out loud becomes apparent and loud. It becomes difficult to erase it from your mind.