v. To bud; to insert, or graft, as the bud of a tree or plant in another tree or plant.v. To insert a foreign bud into.v. To communicate a disease to (a person) by inserting infectious matter in the skin or flesh, especially as a means of inducing immunological resistance to that or related diseases; See Vaccinate.v. Fig.: To introduce into the mind; -- used especially of harmful ideas or principles; to imbue.v. To introduce microorganisms into (a growth medium), to cause the growth and multiplication of the microorganisms.verb-intransitive. To graft by inserting buds.verb-intransitive. To communicate disease by inoculation.