Thayer's Greek Lexicon

 1. to call to one's side, call for, summon
2. to address, speak to, (call to, call upon), which may be done in
the way of exhortation, entreaty, comfort, instruction, etc.
  1) to admonish, exhort
  2) to beg, entreat, beseech
2b1. to strive to appease by entreaty
  3) to console, to encourage and strengthen by consolation, to
comfort
2c1. to receive consolation, be comforted
  4) to encourage, strengthen
  5) exhorting and comforting and encouraging
  6) to instruct, teach