The term 'Now and Then' is used to describe something that happens INTERMITTENTLY or IRREGULARLY. The crossword solutions for this term include 'SOMETIMES' (9 letters), 'OCCASIONALLY' (12 letters), 'INTERMITTENTLY' (14 letters), 'PERIODICALLY' (12 letters), 'INFREQUENTLY' (12 letters), 'OCCASIONAL' (10 letters), 'IRREGULARLY' (11 letters), 'SELDOM' (6 letters), 'SPORADICALLY' (12 letters), 'EVERY' (5 letters), 'Adverbs' (7 letters), 'Attimes' (7 letters), 'Inspurts' (8 letters), 'Onoccasion' (10 letters), 'Atintervals' (11 letters), and 'Fromtimetotime' (14 letters). These words all describe something that happens at different times, with varying frequency.