infusion

noun

1. (countable, uncountable)A product consisting of a liquid which has had other ingredients steeped in it to extract useful qualities.

   “An extract of rooibos and chamomile makes a refreshing infusion.”

2. (countable, uncountable)The act of steeping or soaking a substance in liquid so as to extract medicinal or herbal qualities.
3. (countable, uncountable)The act of installing a quality into a person.
4. (countable, uncountable)A giving of money or other resources, typically a large amount, to an organization.

   “He made a number of other changes at the Transit Police, including revamping audio equipment, moving the force to nine-millimeter semiautomatic weapons, and designing new uniforms. These changes were all part of a $40 million infusion into the Transit Police in 1990 from Governor Mario Cuomo.”

   “[...] but in the verity of extolment / I take him to be a soul of great article and his infusion / of such dearth and rareness as, to make true diction of / him, his semblable in his mirror, and who else would / trace him, his umbrage, nothing more.”

5. (countable, obsolete, uncountable)The act of dipping into a fluid.
6. (countable, uncountable)The administration of liquid substances directly into a vein for medical purposes; perfusion.