the world > action or operation > prosperity > advancement or progress > advance or progress [verb (reflexive)] > raise oneself in rank, power, or prosperity > by insidious methods (2)
To insinuate or introduce (a person) gradually (into favour, office, etc.), esp. by subtle or shifty means. Also with in. Chiefly reflexive.
figurative. reflexive. To insinuate oneself into (a person's favour or confidence, a desirable position, etc.).