Synonym: affair, function, juncture, social function, social occasion. Similar words: on occasion, occasional, occasionally, evasion, invasion, abrasion, pervasion, casino. Meaning: [ə'keɪʒn] 
n. 1. an event that occurs at a critical time 2. a vaguely specified social event 3. reason 4. the time of a particular event 5. an opportunity to do something. v. give occasion to.
n. 1. an event that occurs at a critical time 2. a vaguely specified social event 3. reason 4. the time of a particular event 5. an opportunity to do something. v. give occasion to. 
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91 He was impeccably dressed for the occasion.
92 Foreign visitors help to give a truly international flavour to the occasion.
93 On this occasion we departed from our normal practice of holding the meetings in public.
94 In the exam she rose to the occasion and wrote a brilliant essay.
95 A new piece of music was specially written for the occasion.
96 It's best not to try a new recipe for the first time on such an important occasion.
97 The bride took/used the occasion to make a short speech.
98 Smith is a most suitable candidate for such negotiator since his tact and quickness of mind are equal to the occasion.sentencedict.com
99 The presence of the prince added lustre to the occasion.
100 As far as I can recollect, she wasn't there on that occasion.
101 He was gifted, on occasion, with a gentle raillery, which almost always concealed a serious meaning.
102 Her remarks were quite out of keeping with the formality of the occasion.
103 On that occasion there was no one on whom his temper could be worked off.
104 The setting for this morning's signing ceremony matched the solemnity of the occasion.
105 I am deeply honoured to be invited to this momentous occasion.
106 On another occasion I answered the phone and the line went dead.
107 I'll raise the subject when a suitable occasion offers itself.
108 Sara's party was quite an occasion - there were over a hundred people there.
109 He argued that the release of hostages should not occasion a change in policy.
110 I had a bottle of champagne which I'd been saving for a special occasion.
111 Such casual dress would not be correct for a formal occasion.
112 His colleagues all recognized that this was a momentous occasion .
113 Harvest festival was the occasion for the collective expression of a community's religious values.
114 On this occasion the plane deviated from its usual flight path.
115 It took all the fun out of the occasion when we heard that you were ill.
116 His jocose manner was unsuitable for such a solemn occasion.
117 Is it considered improper to wear such a short skirt to a formal occasion?
118 He could also turn on the style when the occasion demanded.
119 The meeting of father and son after so long was a joyous occasion.
120 The occasion was organized as a salute to a century of change.
More similar words: on occasion, occasional, occasionally, evasion, invasion, abrasion, pervasion, casino, cast aside, occupation, occupational, preoccupation, fusion, vision, mission, pension, erosion, cession, version, passion, tension, allusion, session, mansion, aversion, division, avulsion, revision, emission, delusion.