Definitions of glad:

• adjective:   showing or causing joy and pleasure; especially made happy

  Example: "Glad you are here"

• adjective:   (`lief' is archaic) very willing

  Example: "Glad to help"

• adjective:   feeling happy appreciation

  Example: "Glad of the fire's warmth"

• adjective:   cheerful and bright

  Example: "A glad May morning"

• name:  A surname (very rare: popularity rank in the U.S.: #22256)