Merriam-Webster Collegiate Dictionary - infuse

 transitive verb  (~d; infusing)  Etymology: Middle English, to pour in, from Middle French & Latin; Middle French ~r, from Latin infusus, past participle of infundere to pour in, from in- + fundere to pour — more at found  Date: 1526  1.  a. to cause to be permeated with something (as a principle or quality) that alters usually for the better ~ the team with confidence  b. introduce, insinuate a new spirit was ~d into American art — American Guide Series: New York  2. inspire, animate the sense of purpose that ~s scientific research  3. to steep in liquid (as water) without boiling so as to extract the soluble constituents or principles  4. to administer or inject by infusion stem cells were ~ed into the patient  • ~r noun Synonyms:  ~, suffuse, imbue, ingrain, inoculate, leaven mean to introduce one thing into another so as to affect it throughout. ~ implies a pouring in of something that gives new life or significance new members ~d enthusiasm into the club. suffuse implies a spreading through of something that gives an unusual color or quality a room suffused with light. imbue implies the introduction of a quality that fills and permeates the whole being imbue students with intellectual curiosity. ingrain, used only in the passive or past participle, suggests the deep implanting of a quality or trait clung to ingrained habits. inoculate implies an imbuing or implanting with a germinal idea and often suggests stealth or subtlety an electorate inoculated with dangerous ideas. leaven implies introducing something that enlivens, tempers, or markedly alters the total quality a serious play leavened with comic moments.