(used especially of ideas or principles) deeply rooted; firmly fixed or held "ingrained habits of a lifetime" - deep-rooted, deep-seated, implanted, planted
Verb: ingrainin'greyn
Thoroughly work in - grain
Produce or try to produce a vivid impression of "Mother tried to ingrain respect for our elders in us" - impress, instill
See also: constituted, established
Type of: affect, impress, move, penetrate, perforate, strike