assent
n
1 agreement, as to a statement, proposal, etc.; acceptance
2 hesitant agreement; compliance
4 intr; usually foll by: to to agree or express agreement (C13: from Old French assenter, from Latin assentiri, from sentire to think)
royal assent
n (in Britain) the formal signing of an act of Parliament by the sovereign, by which it becomes law
viceregal assent
n (Austral) the formal signing of an act of parliament by a governor general, by which it becomes law