From The Collaborative International Dictionary of English v.0.44 [gcide]:
3. (Law) Having legal strength or force; executed with the proper formalities; incapable of being rightfully overthrown or set aside; as, a valid deed; a valid covenant; a valid instrument of any kind; a valid claim or title; a valid marriage.
From WordNet (r) 2.0 [wn]:
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
153 Moby Thesaurus words for "valid": absolute, acceptable, actionable, adducible, admissible, advantageous, applicable, armipotent, attestative, attested, attestive, auspicious, authentic, authoritative, authorized, based on, beneficial, benevolent, binding, bon, bonny, braw, bueno, capital, certain, circumstantial, cogent, commendable, competent, conclusive, confirmed, consistent, constitutional, convincing, corroborated, cumulative, damning, decisive, definitive, demonstrated, determinative, determined, documentary, documented, dynamic, effective, effectual, elegant, energetic, established, estimable, evidential, evidentiary, ex parte, excellent, expedient, eye-witness, factual, fair, famous, favorable, final, fine, firsthand, forceful, forcible, founded on, good, goodly, grand, grounded on, healthy, hearsay, helpful, high-potency, high-powered, high-pressure, high-tension, implicit, in force, in power, incontrovertible, indicative, indisputable, irrefutable, irresistible, judicial, juridical, just, justiciable, kind, kosher, laudable, lawful, lawmaking, legal, legislative, legit, legitimate, licit, logical, material, mighty, mighty in battle, nice, noble, nuncupative, operative, overwhelming, persuasive, pleasant, potent, powerful, prepotent, presumptive, probative, profitable, puissant, regal, reliable, rightful, royal, ruling, sanctioned, satisfactory, satisfying, self-consistent, significant, skillful, solid, sound, splendid, statutory, striking, strong, substantial, substantiated, sufficient, suggestive, sure, symptomatic, telling, useful, validated, verified, very good, vigorous, virtuous, vital, weighty, well-founded, well-grounded, within the law
From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:
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