RSA - Reception
2d. An occasion of ceremonious receiving; an assemblage of persons for this purpose. Now usu. a party at which guests are formally greeted, esp. after a wedding.
1865 LD. BROUGHTON Recoll. Long Life (1911) VI. ix. 54 On March 5  I dined at Lord Palmerston's... Lady Palmerston had a reception afterwards.
I'm off to dine with Lord Palmerston: details to follow.