occurrence

occurrence
    n 1: an event that happens [syn: {happening}, {occurrence},
         {occurrent}, {natural event}]
    2: an instance of something occurring; "a disease of frequent
       occurrence"; "the occurrence (or presence) of life on other
       planets"
    

Occurrence \Oc*cur"rence\, n. [Cf. F. occurrence. See {Occur}.]
   1. A coming or happening; as, the occurence of a railway
      collision.
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            Voyages detain the mind by the perpetual occurrence
            and expectation of something new.     --I. Watts.
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   2. Any event or incident; esp., one which happens without
      being designed or expected; as, an unusual occurrence, or
      the ordinary occurrences of life.
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            All the occurrence of my fortune.     --Shak.
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   Syn: See {Event}.
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92 Moby Thesaurus words for "occurrence":
      accessibility, actual presence, adventure, affair, apparition,
      appearance, appearing, arising, availability, avatar, being,
      being here, being there, chance, circumstance, coming,
      coming into being, coming-forth, condition, conjuncture,
      contingency, development, disclosure, emergence, emergency, ens,
      entity, epiphany, episode, esse, essence, event, eventuality,
      exigency, existence, experience, exposure, fact, forthcoming,
      frequency, go, hap, happening, happenstance, hereness, immanence,
      immediacy, incarnation, incidence, incident, indwellingness,
      inherence, instance, issuance, juncture, life, likelihood,
      manifestation, materiality, materialization, materializing, matter,
      matter of fact, occasion, opening, particular, pass, phenomenon,
      physical presence, presence, presentation, rate, reality,
      realization, revelation, rise, rising, showing, showing forth,
      situation, spiritual presence, state, subsistence, substantiality,
      theophany, thereness, thing, turn of events, ubiety, unfolding,
      unfoldment, whereness