To embody a role is to fill it completely. If a high schooler seems to embody the character of Macbeth, his performance might make the audience forget they’re watching a dorky 15-year-old with braces.
If you embody someone, you put him or her “in-body,” as when an actor gives a complete and compelling representation of a character. You can also use embody to describe character traits you see in a person, like, “He embodies truth,” or, “She is the embodiment of goodness.”
represent in bodily form
represent, as of a character on stage
represent or express something abstract in tangible form