maintain

Definitions

1. To keep up; to preserve; to uphold (a state, condition etc.). .mw-parser-output .defdate{font-size:smaller}
2. To keep up or carry on; continue: maintain good relations.
3. To declare or affirm (a clause) to be true; to assert
4. To keep in an existing state; preserve or retain: maintain one's composure.
5. To keep in good condition and working order
6. To keep in a condition of good repair or efficiency: maintain two cars.
7. To support (someone), to back up or assist (someone) in an action
8. To provide for; support: maintain a family.
9. To defend or hold against criticism or attack: maintained his stand on taxes.
10. To declare to be true; affirm: maintained her innocence.
11. To adhere or conform to; keep: maintain a busy schedule.
12. to continue or retain; keep in existence
13. to keep in proper or good condition: to maintain a building.
14. to support a style of living: the money maintained us for a month.

Equivalents

CEFR level