To habituate to a climate not native; to acclimatize.

Make psychologically or physically used (to something)

Alternate (chiefly British) spelling of customize.

(Alternate spelling: customise).
To make according to requirements; SYN. customise.

Alternate (chiefly British) spelling of familiarize.

(Alternate spelling: familiarise).
1. To make familiar or acquainted with; SYN. familiarise.
2. To make known or acquainted; SYN. familiarise, acquaint.

ETYM Written also enure.
To cause to accept or become hardened to; habituate; SYN. harden.