Renew vs. Revalidate

Renewverb

(transitive) To make (something) new again; to restore to freshness or original condition.

Renewverb

(transitive) To replace (something which has broken etc.); to replenish (something which has been exhausted), to keep up a required supply of.

Renewverb

(theology) To make new spiritually; to regenerate.

Renewverb

To become new, or as new; to revive.

Renewverb

(transitive) To begin again; to recommence.

Renewverb

(rare) To repeat.

Renewverb

To extend a period of loan, especially a library book that is due to be returned.

Renewverb

To make new again; to restore to freshness, perfection, or vigor; to give new life to; to rejuvenate; to reëstablish; to recreate; to rebuild.

Renewverb

Specifically, to substitute for (an old obligation or right) a new one of the same nature; to continue in force; to make again; as, to renew a lease, note, or patent.

Renewverb

To begin again; to recommence.

Renewverb

To repeat; to go over again.

Renewverb

To make new spiritually; to regenerate.

Renewverb

To become new, or as new; to grow or begin again.

Renewverb

re-establish on a new, usually improved, basis or make new or like new;

Renewverb

cause to appear in a new form;

Revalidateverb

To validate again.