A word fromThesaurus

abandon v. 1 give up or over, yield, surrender, leave, cede, let go,
deliver (up), turn over, relinquish: 
I can see no reason why we should abandon the house to thieves and vandals.
2 depart from,
leave, desert, quit, go away from: 
The order was given to abandon ship.
3 desert, forsake, jilt, walk out on: 
He even abandoned his fianc. 4 give up, renounce; discontinue, forgo,
drop, desist, abstain from: 
She abandoned cigarettes and whisky after the doctor's warning.
n. 5 recklessness, intemperance, wantonness, lack of
restraint, unrestraint: 
He behaved with wild abandon after he received the inheritance.