abandonment

noun

1. the act of giving something up

   noun.act

   Synonyms desertion forsaking

   Source: WordNet 3.0

2. withdrawing support or help despite allegiance or responsibility

   noun.act

   Examples

   His abandonment of his wife and children left them penniless.

   Synonyms defection desertion

   Source: WordNet 3.0

3. the voluntary surrender of property (or a right to property) without attempting to reclaim it or give it away

   noun.act

   Source: WordNet 3.0

4. The act of abandoning, or the state of being abandoned; total desertion; relinquishment.

   noun

   Source: webster1913