See advancement in Webster's New World College Dictionary
noun
an advancing or being advanced
promotion, as to a higher rank
progress or improvement; furtherance
Law money or property given as an advance share in the estate of a person who later dies without making a will: it is deducted from the total share of the recipient in the intestate's estate
See advancement in American Heritage Dictionary 4
noun
A forward step; an improvement.
Development; progress: the advancement of knowledge.
A promotion, as in rank.
The act of moving forward. See Usage Note at advance.