Is permeate a word in the Scrabble Dictionary

Yes, permeate is playable

...and is worth 14 points.

Found in the following dictionaries

Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)

"Permeate" Definition

verb-transitive

To pass through the openings or interstices of: liquid permeating a membrane.
To spread or flow throughout; pervade: "Our thinking is permeated by our historical myths” ( Freeman J. Dyson). See Synonyms at charge.

verb-intransitive

To spread through or penetrate something.

verb

To diffuse through or penetrate something.
To spread or diffuse through .
To pass through the pores or interstices of.