Antonym: intentional. Similar words: fortuitously, circuitous, ubiquitous, iniquitous, solicitous, torturous, duplicitous, stick it out. Meaning: [fɔː'tuːɪtəs /fɔː'tju-] 
adj. 1. having no cause or apparent cause 2. occurring by happy chance.
adj. 1. having no cause or apparent cause 2. occurring by happy chance. 
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31. Will this fortuitous reunion seal them together again?
32. You're not fortuitous , and existence needs you.
33. Announced before the crisis struck, this spending was fortuitous.
34. How fortuitous that a new company would receive such a tremendous write-up in a major Los Angeles newspaper—and just a month after putting out a stock offering!
35. These types of fortuitous things that have happened have just exploded for me since I created the web log.
36. The posterity for commemorates this fortuitous encounter to construct five Hushan in this.
37. In a other word, verb " be " is the most fortuitous verb of change.
38. What happened to Jesus did not accident or even by the fortuitous combination of circumstances.
39. We knew each other by a chance ( fortuitous ) meeting .
40. Profits were enhanced by a fortuitous drop in the cost of raw materials.
41. Fortuitous happenstance ignits a foray of synergy between the two or the group.
42. And the upheaval is driven by the transformation of tangible goods into digital information in combination with fortuitous quirk of human nature.
43. And still remember the moment he met, in fact, was purely fortuitous,[http://sentencedict.com/fortuitous.html] a pure accident.
44. If there is a difficult union, self may choose not to be present but may accolade synergy in the work happenstance or in other encounters of a fortuitous kind.
45. That was a fortuitous event, and it gave me some material to write about.
46. His call for the sixty - thousand - dollar check at the time had been purely fortuitous.
47. Am very excited me in this fortuitous on the island.
48. The occurrence of such things is by no means fortuitous.
49. However[sentencedict.com], a fortuitous opportunity to let him a new leaf.
50. Gifts of books and journals can often be quite fortuitous.
51. A fortuitous event is not to be foreseen and no one is bound to expect it.
More similar words: fortuitously, circuitous, ubiquitous, iniquitous, solicitous, torturous, duplicitous, stick it out, importune, fortunately, sort out, opportunity, opportunist, virtuous, fortune cookie, unfortunately, riotous, momentous, virtual, aperture, start up, virtually, departure, sit on, by virtue of, tour, tout, suit, wait on, a bit of.