Heads of corporate accountability venture eventually give way (4)
I believe the answer is:
cave
'give way' is the definition.
(thesaurus)
'heads of corporate accountability venture eventually' is the wordplay.
'heads of' indicates taking the first letters.
The first letters of 'corporate accountability venture eventually' is 'CAVE'.
(Other definitions for cave that I've seen before include "Troglodyte's home" , "Natural subterranean opening" , "Subject of speleology" , "Natural underground space" , "Aladdin, Fingal, had one" .)