'abandonment' definitions:

Definition of 'abandonment'

From: WordNet
noun
The act of giving something up [syn: abandonment, forsaking, desertion]
noun
Withdrawing support or help despite allegiance or responsibility; "his abandonment of his wife and children left them penniless" [syn: desertion, abandonment, defection]
noun
The voluntary surrender of property (or a right to property) without attempting to reclaim it or give it away