Definitions of worthy:

• noun:   word is often used humorously
• adjective:   meriting respect or esteem

  Example: "The worthy gentleman"

• adjective:   having worth or merit or value; being honorable or admirable

  Example: "A worthy fellow"

• adjective:   morally admirable

  Example: "A worthy citizen"

• adjective:   worthy of being chosen especially as a spouse
• adjective:   having high moral qualities

  Example: "A worthy successor"

• name:  A surname (rare: 1 in 25000 families; popularity rank in the U.S.: #3135)