1.  magic(n = noun.cognition) thaumaturgy - any art that invokes supernatural powers;
is a kind of supernaturalism
has particulars: juju, mojo, conjuration, conjuring, conjury, invocation, black art, black magic, necromancy, sorcery, white magic
Derived forms adjective magical₁, noun magician₂

2.  magic(n = noun.act) conjuration, conjuring trick, deception, illusion, legerdemain, magic trick, thaumaturgy, trick - an illusory feat; considered magical by naive observers;
is a kind of performance
has particulars: card trick, prestidigitation, sleight of hand
Derived forms adjective magical₁, noun magician₁

   magic(s = adj.all) charming, magical, sorcerous, witching, wizard, wizardly - possessing or using or characteristic of or appropriate to supernatural powers; "charming incantations"; "magic signs that protect against adverse influence"; "a magical spell"; "'tis now the very witching time of night"; "wizard wands"; "wizardly powers"

1.  A comprehensive name for all of the pretended arts which claim to produce effects by the assistance of supernatural beings, or departed spirits, or by a mastery of secret forces in nature attained by a study of occult science, including enchantment, conjuration, witchcraft, sorcery, necromancy, incantation, etc. [1913 Webster]
"An appearance made by some magic." [1913 Webster]

2.  The art of creating illusions which appear to the observer to be inexplicable except by some supernatural influence; it includes simple sleight of hand (legerdemain) as well as more elaborate stage magic, using special devices constructed to produce mystifying effects; as, the magic of David Copperfield. It is practised as an entertainment, by magicians who do not pretend to have supernatural powers. [PJC]

1.  Pertaining to the hidden wisdom supposed to be possessed by the Magi; relating to the occult powers of nature, and the producing of effects by their agency. [1913 Webster]

2.  Performed by, or proceeding from, occult and superhuman agencies; done by, or seemingly done by, enchantment or sorcery; as, a magical spell. [1913 Webster]
" Although with certain words magic is used more than magical, -- as, magic circle, magic square, magic wand, -- we may in general say magic or magical; as, a magic or magical effect; a magic or magical influence, etc. But when the adjective is predicative, magical, and not magic, is used; as, the effect was magical." [1913 Webster]
"The painter's magic skill." [1913 Webster]

magic, n., adj., & v.
--n.
1 a the supposed art of influencing the course of events by the occult control of nature or of the spirits. b witchcraft.
2 conjuring tricks.
3 an inexplicable or remarkable influence producing surprising results.
4 an enchanting quality or phenomenon.
--adj.
1 of or resulting from magic.
2 producing surprising results.
3 colloq. wonderful, exciting.
--v.tr. (magicked, magicking) change or create by magic, or apparently so.

Idiom:
like magic very rapidly. magic away cause to disappear as if by magic. magic carpet a mythical carpet able to transport a person on it to any desired place. magic eye
1 a photoelectric device used in equipment for detection, measurement, etc.
2 a small cathode-ray tube used to indicate the correct tuning of a radio receiver. magic lantern a simple form of image-projector using slides. magic mushroom a mushroom producing psilocybin. magic square a square divided into smaller squares each containing a number such that the sums of all vertical, horizontal, or diagonal rows are equal.

Etymology:
ME f. OF magique f. L magicus adj., LL magica n., f. Gk magikos (as MAGUS)

N  sorcery, occult art, occult sciences, magic, the black art, necromancy, theurgy, thaumaturgy, demonology, demonomy, demonship, diablerie, bedevilment, witchcraft, witchery, glamor, fetishism, fetichism, feticism, ghost dance, hoodoo, obi, obiism, voodoo, voodooism, Shamanism (Esquimaux), vampirism, conjuration, bewitchery, exorcism, enchantment, mysticism, second sight, mesmerism, animal magnetism, od force, odylic force, electrobiology, clairvoyance, spiritualism, spirit rapping, table turning, divination, sortilege, ordeal, sortes Virgilianae, hocus-pocus, magic, magical, mystic, weird, cabalistic, talismanic, phylacteric, incantatory, charmed, Circean, odylic, voodoo, sorcery, occult art, occult sciences, magic, the black art, necromancy, theurgy, thaumaturgy, demonology, demonomy, demonship, diablerie, bedevilment, witchcraft, witchery, glamor, fetishism, fetichism, feticism, ghost dance, hoodoo, obi, obiism, voodoo, voodooism, Shamanism (Esquimaux), vampirism, conjuration, bewitchery, exorcism, enchantment, mysticism, second sight, mesmerism, animal magnetism, od force, odylic force, electrobiology, clairvoyance, spiritualism, spirit rapping, table turning, divination, sortilege, ordeal, sortes Virgilianae, hocus-pocus, magic, magical, mystic, weird, cabalistic, talismanic, phylacteric, incantatory, charmed, Circean, odylic, voodoo.

N  deception, falseness, untruth, imposition, imposture, fraud, deceit, guile, fraudulence, fraudulency, covin, knavery, misrepresentation, bluff, straw-bail, straw bid, spoof, delusion, gullery, juggling, jugglery, slight of hand, legerdemain, prestigiation, prestidigitation, magic, conjuring, conjuration, hocus-pocus, escamoterie, jockeyship, trickery, coggery, chicanery, supercherie, cozenage, circumvention, ingannation, collusion, treachery, practical joke, trick, cheat, wile, blind, feint, plant, bubble, fetch, catch, chicane, juggle, reach, hocus, bite, card sharping, stacked deck, loaded dice, quick shuffle, double dealing, dealing seconds, dealing from the bottom of the deck, artful dodge, swindle, tricks upon travelers, stratagem, confidence trick, fake, hoax, theft, ballot-box stuffing, barney, brace game, bunko game, drop game, gum game, panel game, shell game, thimblerig, skin game, snare, trap, pitfall, decoy, gin, springe, springle, noose, hoot, bait, decoy-duck, tub to the whale, baited trap, guet-a-pens, cobweb, net, meshes, toils, mouse trap, birdlime, dionaea, Venus's flytrap, ambush, trapdoor, sliding panel, false bottom, spring-net, spring net, spring gun, mask, masked battery, mine, flytrap, green goods, panel house, Cornish hug, wolf in sheep's clothing, disguise, disguisement, false colors, masquerade, mummery, borrowed plumes, pattes de velours, mockery, copy, counterfeit, sham, make- believe, forgery, fraud, lie, a delusion a mockery and a snare, hollow mockery, whited sepulcher, painted sepulcher, tinsel, paste, junk jewelry, costume jewelry, false jewelry, synthetic jewels, scagliola, ormolu, German silver, albata, paktong, white metal, Britannia metal, paint, veneer, jerry building, man of straw, illusion, ignis fatuus, mirage, deceived, deceiving, cunning, prestigious, prestigiatory, deceptive, deceptious, deceitful, covinous, delusive, delusory, illusive, illusory, elusive, insidious, ad captandum vulgus, untrue, mock, sham, make-believe, counterfeit, snide, pseudo, spurious, supposititious, so-called, pretended, feigned, trumped up, bogus, scamped, fraudulent, tricky, factitious bastard, surreptitious, illegitimate, contraband, adulterated, sophisticated, unsound, rotten at the core, colorable, disguised, meretricious, tinsel, pinchbeck, plated, catchpenny, Brummagem, artificial, synthetic, ersatz, simulated, under false colors, under the garb of, under cover of, over the left, keep the word of promise to the ear and break it t, fronti nulla fides, ah that deceit should steal such gentle shapes, a quicksand of deceit, decipimur specie recti, falsi crimen, fraus est celare fraudem, lupus in fabula, so smooth, he daubed his vice with show of virtue.

as if by magic, black magic, magic bullet, magic eye, magic lantern, magic marker, magic mushroom, magic number, magic realism, magic spell, magic square, magic trick, white magic