compliment v

1. (transitive)
   1. To express a favourable opinion of (someone); to praise.
   2. (also figurative) To address or greet (someone) formally with expressions of courtesy, respect, etc.; to give or pay (someone) a compliment (etymology 1, noun sense 2).
      1. (specifically) To give (someone) a thing (such as a gift, or an academic degree or title) as a sign of courtesy or respect.
   3. To congratulate (someone).
   4. Followed by away: to surrender (something) while giving or paying compliments.
   5. Followed by into: to put (someone or something) into a certain situation or state while giving or paying compliments; also, followed by out of: to deprive (someone) of a thing while giving or paying compliments.
   6. (obsolete) To express sympathy or give condolences to (someone); to condole.
2. (intransitive)
   1. To give or pay compliments.
   2. To congratulate.
   3. (archaic) To be ceremonious or formally courteous in actions or speech. [...]

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