Certain

Webster's Dictionary of the English Language

·adj Unfailing; infallible.

II. Certain ·noun A certain number or quantity.

III. Certain ·noun Certainty.

IV. Certain ·adv Certainly.

V. Certain ·adj Fixed or stated; regular; determinate.

VI. Certain ·adj Actually existing; sure to happen; inevitable.

VII. Certain ·adj Not to be doubted or denied; established as a fact.

VIII. Certain ·adj Assured in mind; having no doubts; free from suspicions concerning.

IX. Certain ·adj Determined; resolved;

— used with an Infinitive.

X. Certain ·adj Not specifically named; indeterminate; indefinite; one or some;

— sometimes used independenty as a noun, and meaning certain persons.