Taxonomy of meanings for 既而:  

  • NONETHELESS
    • PPadS1.postS2but in the end; and in the end
  • THEREUPON
    • PPadS1.postS2ThereuponCH
  • THEN
    • VPadS1.postS2then in the end
    • VPadS1.adS2after a whileCH
  • AND