Percolate is a word commonly used in the context of brewing coffee or tea, and it means allowing a liquid to pass through a substance, usually a filter or coffee grounds. There are several synonyms for percolate, including filter, strain, seep, permeate, imbue, and saturate. These words can also be used in other contexts, such as in scientific experiments or in social situations. For example, a scientist might use the word permeate to describe the diffusion of a substance through a membrane, while a social commentator might use imbue to describe the way a community is influenced by a particular culture or ideology. Regardless of the context, these synonyms all imply a gradual and thorough process of penetration and diffusion.