Greek-English translations for συνηγορώ

• advocate
  Since she started working with her advocate, she has become much more confident.
  I like trees, but I do not advocate living in them
  We have been advocating for changes in immigration law
• attest
  When will the appraiser attest the date of the painting?
  You must attest your will in order for it to be valid.
  Her fine work attested her ability.