settled

Fixed; established; steadfast; stable.

Permanently or deeply fixed; firmly seated; decided; resolved: as, a settled gloom; a settled conviction.

Quiet; orderly; steady: as, he now leads a settled life.

Sober; grave.

Arranged or adjusted by agreement, payment, or otherwise: as, a settled account.

Comfortable and at ease, especially after a period of change or unrest.

Simple past tense and past participle of settle.

not changeable

inhabited by colonists

established or decided beyond dispute or doubt