panegyrist       
noun [ C ]  formal uk/ˌpæn.əˈdʒɪr.ɪst/ us/ˌpæn.əˈdʒɪr.ɪst/
 致颂词者,颂辞作者,赞颂者
a person who praises someone or something, especially in a piece of writing or a formal speech, by saying good things about them and not mentioning any bad things
  The panegyrists are right. She was a woman whose character and career people should admire. 赞美者是对的。这位女士具有令人钦佩的性格和事业。 
 He became famous as a court panegyrist and as a powerful satirist. 他以宫廷谄媚者和强有力的讽刺作家而闻名。 
 See also: panegyricpanegyrical
 - More examples
 - Their American and European panegyrists see their movement as the dawn of a new age.
 - Professional poets, chroniclers and panegyrists would recite the Lord's glories.
 - Constantine's military skill and building projects soon gave the panegyrist the opportunity to comment favourably on the similarities between father and son.