up in WordNet English dictionary

1. out of bed
   "are they astir yet?"; "up by seven each morning"
   astir  up 
   
2. getting higher or more vigorous
   "its an up market"; "an improving economy"
   improving  up 
   
3. being or moving higher in position or greater in some value; being above a former position or level
   "the anchor is up"; "the sun is up"; "he lay face up"; "he is up by a pawn"; "the market is up"; "the corn is up"
   up 
   
4. extending or moving toward a higher place
   "the up staircase"; "a general upward movement of fish"
   up  upward 
   
5. used up
   "time is up"
   up 
   
6. (used of computers) operating properly
   "how soon will the computers be up?"
   up 
   
7. (usually followed by `on' or `for') in readiness
   "he was up on his homework"; "had to be up for the game"
   up 
   
8. open
   "the windows are up"
   up 
   

1. raise
   "up the ante"
   up 
   

1. spatially or metaphorically from a lower to a higher position
   "look up!"; "the music surged up"; "the fragments flew upwards"; "prices soared upwards"; "upwardly mobile"
   up  upwards  upward  upwardly  up  upwards  upward  upwardly 
   
2. to a later time
   "they moved the meeting date up"; "from childhood upward"
   up  upwards  upward  up  upwards  upward 
   
3. to a more central or a more northerly place
   "was transferred up to headquarters"; "up to Canada for a vacation"
   up  up 
   
4. nearer to the speaker
   "he walked up and grabbed my lapels"
   up  up 
   
5. to a higher intensity
   "he turned up the volume"
   up  up