Personal thoughts on usage ...abase
To lower in rank, office, condition, or character; to humble, humiliate; often with the sense of degrade, make base.
To depose (a person) formally from his degree, rank, or position of honour as an act of punishment, as to degrade a knight, a military officer, a graduate of a university. To lower in estimation; to bring into dishonour or contempt.
To lower in condition, status, reputation or character.
To lower or depress the dignity or self-respect of; to subject to humiliation; to mortify.