To rise from a sitting or lying position to an upright position.
To be physically able to remain upright or to maintain an erect posture.
2.
generalneutralformal
To rise to the feet in order to be seen, acknowledged, introduced, or to perform a public act (for example, to announce, to be sworn in, or to present oneself).
3.
generalneutralinformal
To confront, resist, or oppose an opponent, authority, or oppressive situation; to take a stand against something.
4.
generalinformal
To volunteer or step forward publicly to assume a duty, responsibility, or role.