<hw>Il*lu"sion</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[F. <ets>illusion</ets>, L. <ets>illusio</ets>, fr. <ets>illu</ets>dere, <ets>illusum</ets>, to illude. See <er>Illude</er>.]</ety> <p><b>1.</b> <def>An unreal image presented to the bodily or mental vision; a deceptive appearance; a false show; mockery; hallucination.</def>
<blockquote>To cheat the eye with blear <b>illusions</b>. <i>Milton.</i></blockquote>
<p><b>2.</b> <def>Hence: Anything agreeably fascinating and charning; enchantment; witchery; glamour.</def>
<blockquote>Ye soft <b>illusions</b>, dear deceits, arise! <i>Pope.</i></blockquote>
<p><b>3.</b> <fld>(Physiol.)</fld> <def>A sensation originated by some external object, but so modified as in any way to lead to an erroneous perception; as when the rolling of a wagon is mistaken for thunder.</def>
<note>&hand; Some modern writers distinguish between an <i>illusion</i> and <i>hallucination</i>, regarding the former as originating with some external object, and the latter as having no objective occasion whatever.</note>
<p><b>4.</b> <def>A plain, delicate lace, usually of silk, used for veils, scarfs, dresses, etc.</def>
<syn>Syn. -- Delusion; mockery; deception; chimera; fallacy. See <er>Delusion</er>. <er>Illusion</er>, <er>Delusion</er>. <i>Illusion</i> refers particularly to errors of the sense; <i>delusion</i> to false hopes or deceptions of the mind. An optical deception is an <i>illusion</i>; a false opinion is a <i>delusion</i>.</syn>
<i>E. Edwards.</i>
<h1>Illusionable</h1> <Xpage=729>
<hw>Il*lu"sion*a*ble</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Liable to illusion.</def>
<h1>Illusionist</h1> <Xpage=729>
<hw>Il*lu"sion*ist</hw>, <tt>n.</tt> <def>One given to illusion; a visionary dreamer.</def>
<h1>Illusive</h1> <Xpage=729>
<hw>Il*lu"sive</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[See <er>Illude</er>.]</ety> <def>Deceiving by false show; deceitful; deceptive; false; illusory; unreal.</def>
<blockquote>Truth from <b>illusive</b> falsehood to command. <i>Thomson.</i></blockquote>
<h1>Illusively</h1> <Xpage=729>
<hw>Il*lu"sive*ly</hw>, <tt>adv.</tt> <def>In a illusive manner; falsely.</def>
<h1>Illusiveness</h1> <Xpage=729>
<hw>Il*lu"sive*ness</hw>, <tt>n.</tt> <def>The quality of being illusive; deceptiveness; false show.</def>
<h1>Illusory</h1> <Xpage=729>
<hw>Il*lu"so*ry</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Cf. F. <ets>illusore</ets>.]</ety> <def>Deceiving, or tending of deceive; fallacious; illusive; <as>as, <ex>illusory</ex> promises or hopes</as>.</def>
<h1>Illustrable</h1> <Xpage=729>
<hw>Il*lus"tra*ble</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Capable of illustration.</def>
<i>Sir T. Browne.</i>
<h1>Illustrate</h1> <Xpage=729>
<hw>Il*lus"trate</hw> <tt>(?)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Illustrated</er> <tt>(?)</tt>; <tt>p. pr. & vb. n.</tt> <er>Illustrating</er> <tt>(?)</tt>.]</wordforms> <ety>[L. <ets>illustratus</ets>, p.p. of <ets>illustrare</ets> to illustrate, fr. <ets>illustris</ets> bright. See <er>Illustrious</er>.]</ety> <p><b>1.</b> <def>To make clear, bright, or luminous.</def>
<blockquote>Here, when the moon <b>illustrates</b> all the sky. <i>Chapman.</i></blockquote>
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