abandon

nouns

the trait of lacking restraint or control; reckless freedom from inhibition or worry
"she danced with abandon"
a feeling of extreme emotional intensity
"the wildness of his anger"

verbs

forsake, leave behind
"We abandoned the old car in the empty parking lot"
is derived from
is a type of (narrower)
throw or cast away
"Put away your worries"
give up with the intent of never claiming again
"Abandon your life to God"; "She gave up her children to her ex-husband when she moved to Tahiti"; "We gave the drowning victim up for dead"
is derived from
leave behind empty; move out of
"You must vacate your office by tonight"
stop maintaining or insisting on; of ideas or claims
"He abandoned the thought of asking for her hand in marriage"; "Both sides have to give up some claims in these negotiations"
is derived from
leave someone who needs or counts on you; leave in the lurch
"The mother deserted her children"
is derived from