Definitions of settled:

• adjective:   established in a desired position or place; not moving about

  Example: "Nomads...absorbed among the settled people"

• adjective:   established or decided beyond dispute or doubt

  Example: "With details of the wedding settled she could now sleep at night"

• adjective:   not changeable

  Example: "A period of settled weather"

• adjective:   inhabited by colonists
• adjective:   clearly defined