To flavor a liquid with one or more other flavors by steeping the liquid with the other ingredients and then straining it Tea is a perfect example of infusing a liquid with the flavor of tea leaves
To infuse a quality into someone or something, or to infuse them with a quality, means to fill them with it. Many of the girls seemed to be infused with excitement on seeing the snow A union would infuse unnecessary conflict into the company's employee relations
To steep an aromatic ingredient in hot liquid until the flavor has been extracted and absorbed by the liquid Teas are infusions Milk or cream can also be infused with flavor before being used in custards or sauces
introduce into the body through a vein, for therapeutic purposes; "Some physiologists infuses sugar solutions into the veins of animals" undergo the process of infusion; "the mint tea is infusing