absorption and regurgitation
brainwashing
catechization
conditioning
decoction
dictation
imbuement
implantation
impregnation
impression
inculcation
indoctrination
infiltration
infixation
infixion
infusion
inoculation
instillation
interpenetration
marination
penetration
permeation
pervasion
reindoctrination
saturation
soaking
steeping
suffusion
instilment
insertion
introduction
intromission