Definition of "occasionally"

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

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

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

1855, Horace Mann, “On the Statistical Position of Religious Bodies in England and Wales”, in Journal of the Statistical Society of London, volume 18, number 2, page 152

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

1978, Stephen R. Graubard, “Twenty Years of 'Daedalus'”, in Bulletin of the American Academy of Arts and Sciences, volume 32, number 3, page 18

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

2007 August 17, Matt Gouras/AP, “Wildfires Rage in Montana”, in Time

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

1748, [Samuel Richardson], “Letter CLXI”, in Clarissa. Or, The History of a Young Lady: […], volumes (please specify |volume=I to VII), London: […] S[amuel] Richardson; […]

[N]othing gave him so much joy in conversation, as an opportunity of giving the company to understand, how well he was with persons of distinguished rank and character: he would often (for example) observe, as it were occasionally, that the duke of G— was one of the best natured men in the world […] .

1751, [Tobias] Smollett, The Adventures of Peregrine Pickle […], volumes (please specify |volume=I to IV), London: Harrison and Co., […]

I had met Lord Ossory in the forenoon, who had come to town occasionally.

1790, James Boswell, in Danziger & Brady (eds.), Boswell: The Great Biographer (Journals 1789–1795), Yale 1989, p. 103

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

1588, G[abriel] H[arvey], “The Fourth Letter. To the Same Favourable or Indifferent Reader.”, in J[ohn] P[ayne] C[ollier], editor, Fovre Letters, and Certaine Sonnets, […] (Miscellaneous Tracts Temp. Eliz. & Jac. I), page 56

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...

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