Dictionary:

antiquate

  (ăn'tĭ-kwāt')

1. To make obsolete or old-fashioned.
2. To antique.

[Late Latin antīquāre, antīquāt-, to make old, from Latin, to leave in an old state, from antīquus, old. See antique.]

The verb has 2 meanings:

Meaning #1: make obsolete or old-fashioned

Meaning #2: give an antique appearance to
  Synonym: antique