Re-acclimating refers to the process of getting comfortable with something again after a period of separation or change. Some synonyms for re-acclimating include re-adjusting, re-familiarizing, re-orienting, and re-establishing. Re-adjusting implies making changes to adapt to a new situation, while re-familiarizing involves getting to know something again. Re-orienting suggests changing perspective or direction, and re-establishing involves rebuilding familiarity with something that has been lost over time. Each of these synonyms offers a slightly different nuance in meaning, but they all point to the process of becoming accustomed to something once again.