Inoculate

verb

1. To introduce an antigenic substance or vaccine into something (e.g. the body) or someone, such as to produce immunity to a specific disease.
2. (by extension) To safeguard or protect something as if by inoculation.
3. To add one substance to another; to spike.

   "The culture medium was inoculated with selenium to investigate the rate of uptake."

4. To graft by inserting buds.

   "to inoculate a tree"

5. To introduce into the mind (used especially of harmful ideas or principles); to imbue; to implant.

   "to inoculate someone with treason or infidelity"