An example of percolate is when water gradually spreads and filters through soil.
An example of percolate is when an idea gradually spreads and becomes more well known.
When you make coffee in a special coffee maker called a percolator, this is an example of percolate.
Water percolated the sand.
Reports on the pitiful state of many prisons have finally percolated through to the Home Office, which has promised to look into the situation.
Through media reports it percolated to the surface that the police investigation was profoundly flawed.