To take by choice into the scope of one's responsibility.
To take voluntarily (a child of other parents) to be in the place of, or as, one's own child.
To take or receive as one's own what is not so naturally.
To obtain (a pet) from a shelter or the wild.
To select and take or approve.
To beat an opponent ten times in a row.
To challenge (someone) or brave (a hazard or opposition).
To refuse to obey.
To not conform to or follow a pattern, set of rules or expectations.