I. phrasal
: to cause oneself to climb, ascend, or mount
was hardly strong enough to get up the stairs
II. intransitive verb
1.
a. : to arise from bed
he gets up late on Sundays
b. : to rise to one's feet
got up from the chair when the guests came in
c. : climb , ascend , mount
got up on the roof to watch the eclipse
2. : to increase in force or violence
the added motion of the ship told him the sea was getting up — J.E.Macdonnell
3. : to draw near : come close
the batteries … opened on our approach and the fire was returned as our ships got up — Horatio Nelson
4. : to go ahead or go faster — used in the imperative as a command to horses
transitive verb
1. : to cause to rise : raise
finally got the anchor up and set sail
2. : to make preparations for : set on foot : organize
got up a party for the newcomers
get up a petition
3. : to arrange as to external appearance : finish , dress
the printed libretto … is handsomely and usefully gotten up — Herbert Weinstock
he is got up for the artist's part — purple velvet coat, great flowing tie, black sombrero — H.J.Laski
4. : to acquire a knowledge of : study for a special purpose
was advised to get up German during the summer
5. : to create in oneself : work up : generate
cannot get up an atom of sympathy for them