The term INFUSE has many related words that can be used to describe the action of introducing something into a substance or environment. To INTRODUCE something is to INTRODUCE (9 letters), while to INJECT something is to INJECT (6 letters). INSINUATE (9 letters) is to suggest something in an indirect way, while INVEST (6 letters) is to put resources into something with the expectation of a return. PERVADE (7 letters) is to spread throughout, while INTERSPERSE (11 letters) is to scatter among. IMPLANT (7 letters) is to fix firmly in the mind, while INDOCTRINATE (12 letters) is to teach someone a particular set of beliefs. INCULCATE (9 letters) is to instill an idea or habit by repetition, while IMPREGNATE (10 letters) is to FILL or saturate thoroughly. INOCULATE (9 letters) is to INTRODUCE a vaccine into the body, while FILL (4 letters) is to make full. ANIMATE (7 letters) is to give life or spirit to, while SOAK (4 letters) is to become filled with liquid. INSPIRE (7 letters) is to FILL with an animating, quickening, or exalting influence, while IMPART (6 letters) is to give a share of. IMBUE (5 letters) is to permeate or influence thoroughly, while STEEP (5 letters) is to SOAK in a liquid. MARINATE (8 letters) is to SOAK in a seasoned liquid, while BREW (4 letters) is to prepare by steeping, boiling, or mixing. INSTIL (6 letters) is to INTRODUCE or cause to pass gradually into the mind, while ENDOW (5 letters) is to furnish with a quality, ability, or asset. Finally, LEAVEN (6 letters) is to add a leavening agent to dough or batter.