Definition of "getup"

When near the buildings I met a white man, in such an unexpected elegance of get–up that in the first moment I took him for a sort of vision.

1899 February, Joseph Conrad, “The Heart of Darkness”, in Blackwood’s Edinburgh Magazine, volume CLXV, number M, New York, N.Y.: The Leonard Scott Publishing Company, […], part I

The Schnitzelbank Band, each member attired in an odd getup, received many comments for the manner in which the men marched.

1917 October 28, “1,200 Reading Firemen March”, in Reading Eagle‎, Pennsylvania, USA, page 4

Oh, I forgot. She had on a get-up that took the attention of anyone that saw her, even in that crazy mob. The better to cut the wind, she had shortened sail and wore a short skirt, black tights, and a skullcap.

1930, Edna Ferber, Cimarron, page 24

[A] parade of costumed cadets trots by: a shark costume, an Uncle Sam getup and three young men in form-fitting bodysuits.

2009 June 8, “Worried They Will Miss the War: Inside the Mind of West Point's Class of 2009”, in Newsweek

"A bully. Picked on fellows. He loved to fight. But I never saw him in a getup with a fellow his own size."

2002 January 28, Andrea Sachs, “Caricature Builder”, in Time