Verb freshen up has 2 senses
  1. refurbish, renovate, freshen up - make brighter and prettier; "we refurbished the guest wing"; "My wife wants us to renovate"
    --1 is one way to regenerate, renew
    Sample sentence:
    Somebody ----s something
  2. freshen, refresh, refreshen, freshen up - become or make oneself fresh again; "She freshened up after the tennis game"
    --2 is one way to change
    Sample sentences:
    Something ----s
    Somebody ----s
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