• IPA: /əˈkeɪʒənəli/

occasionally

1. From time to time; sometimes; at relatively infrequent intervals. [from 15th c.]

   Synonyms: now and then, once in a while

   • 1588, G[abriel] H[arvey], “The Fourth Letter. To the Same Favourable or Indifferent Reader.”, in Fovre Letters, and Certaine Sonnets, especially Touching Robert Greene, and Other Parties by Him Abused: […], London: Imprinted by Iohn Wolfe, for Edward White, OCLC 84013514 ↗; republished as J[ohn] P[ayne] C[ollier], editor, Fovre Letters, and Certaine Sonnets (Miscellaneous Tracts Temp. Eliz. & Jac. I), [London: s.n., 1870], OCLC 907145924 ↗, page 56 ↗:

     Were nothing els diſcourſively inſerted (as ſome little elſe occaſionally preſented it ſelfe), what paper more currently fit for the bareſt mechanicall uſes, [...]

   • 1619, John Richardson, John Toland, The canon of the New Testament Vindicated, page 30

     I think it is plain, that Origen, whatever Character he may have occaſionally given of this Book, did not judge it any part of the Canon...

   • 1639, Henry Ainsworth, Annotations Upon the Five Books of Moses, the Book of the Psalmes and the Song of Songs, page 177.

     God ſetteth no houres for the morning or evening ſacrifice because they may occaſionally be changed.

   • 1855, Horace Mann, "On the Statistical Position of Religious Bodies in England and Wales," Journal of the Statistical Society of London, vol. 18, no. 2, p. 152,

     Some perhaps worship only on alternate Sundays; others still more occasionally.

   • 1978, Stephen R. Graubard, "Twenty Years of 'Daedalus'," Bulletin of the American Academy of Arts and Sciences, vol. 32, no. 3, p. 18,

     The journal, more occasionally, has turned to what might be called "fashionable" themes.

   • 2007, Matt Gouras/AP, "[https://web.archive.org/web/20080324012717/http://www.time.com/time/nation/article/0,8599,1653785,00.html Wildfires Rage in Montana]," Time, 17 Aug,

     Flames could still be seen from town flaring up occasionally on a hill dotted with emergency vehicles.

     depends, QC Gang, How occasionally is ur dog?

2. (obsolete) By chance; accidentally. [17th–18th c.]
   • 1748, Samuel Richardson, Clarissa, Letter 161:

     Mr Tourville occasionally told his age; just turned of thirty-one.

• on occasion, sometimes, at times, now and then

• French: occasionnellement
• German: gelegentlich
• Portuguese: ocasionalmente
• Russian: иногда́
• Spanish: ocasionalmente, de vez en cuando, a veces