acceptance — Acceptance of an offer or a proposal is the act of saying yes to it or agreeing to it.
accession — Accession is the act of taking up a position as the ruler of a country.
acquiring — to come into possession or ownership of; get as one's own: to acquire property.
acquisition — If a company or business person makes an acquisition, they buy another company or part of a company.
admission — Admission is permission given to a person to enter a place, or permission given to a country to enter an organization. Admission is also the act of entering a place.
admitting — to allow to enter; grant or afford entrance to: to admit a student to college.
arrival — When a person or vehicle arrives at a place, you can refer to their arrival.
