the act or process of installing Astroturf on a surface.
(usually lowercase) the deceptive tactic of simulating grassroots support for a product, cause, etc., undertaken by people or organizations with an interest in shaping public opinion: In some countries astroturfing is banned, and this includes sponsored blog posts.
Origin of Astroturfing
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a PR tactic used in politics and advertising in which actors are paid to display overt and apparently spontaneous grassroots support for a particular product, policy, or event
Word Origin for astroturfing
C21: from Astroturf, the artificial grass, as this is artifical grassroots support
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012