Definition of "postering"
noun
usually uncountable, plural posterings
The putting up of posters.
Quotations
There were marches, parades, posterings, leafleting, speeches by the politicians in the opposition parties, filibustering in the legislature, threats of legal challenges by all the cities and by citizens, and referendums in each of the six cities.
2006, Eran Razin, Patrick J. Smith, Metropolitan Governing: Canadian Cases, Comparative Lessons