To empower; to give moral strength to; to encourage; to enhearten.
To make strong or stronger; to add strength to; to increase the strength of; to fortify.
To reinforce, to add to, to support (someone or something)
To grow strong or stronger.
To substantiate; to corroborate (a belief, argument, etc.)
To augment; to improve; to intensify.
To debase or morally corrupt.
To make something ineffective, to invalidate.
To spoil, make faulty; to reduce the value, quality, or effectiveness of something.