verb (v)

• to stress, single out as important(verb.communication)

  Example:
  Dr. Jones emphasizes exercise in addition to a change in diet.
  

  Synonym:
  accent, accentuate, emphasise, punctuate, stress
  

  source: wordnet30
• give extra weight to (a communication)(verb.communication)

  Example:
  Her gesture emphasized her words.
  

  Synonym:
  emphasise, underline, underscore
  

  source: wordnet30
• To utter or pronounce with a particular stress of voice; to make emphatic; as, to emphasize a word or a phrase.(verb)

  source: webster1913