We don't have synonyms for distancing yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are disbanding, instancing and distending.
(n) :
Ellipsis of social distancing. [(epidemiology) The practice of maintaining physical distance between people to reduce the spread of communicable diseases by isolating those with such diseases in quarantines, maintaining space between individuals, and prohibiting certain activities.]
(n) :
Ellipsis of social distancing. [(epidemiology) The practice of maintaining physical distance between people to reduce the spread of communicable diseases by isolating those with such diseases in quarantines, maintaining space between individuals, and prohibiting certain activities.]