occasionally occasionally /ɔˈkeɪʒənəˌliː/

adverb

1. () Sporadically and infrequently  ( now and again , once in a while , on occasion , at times , from time to time , now and then , occasionally )
   sporadically and infrequently
    He was arrogant and occasionally callous
   he was arrogant and occasionally callous
    Open areas are only occasionally interrupted by clumps of trees
   open areas are only occasionally interrupted by clumps of trees
    They visit New York on occasion
   they visit New York on occasion
    Now and again she would take her favorite book from the shelf and read to us
   now and again she would take her favorite book from the shelf and read to us
    As we drove along, the beautiful scenery now and then attracted his attention
   as we drove along, the beautiful scenery now and then attracted his attention