investment (Noun) — The act of investing; laying out money or capital in an enterprise with the expectation of profit.
investment (Noun) — Money that is invested with an expectation of profit.
investment (Noun) — The commitment of something other than money (time, energy, or effort) to a project with the expectation of some worthwhile result. ex. "this job calls for the investment of some hard thinking" ex. "he made an emotional investment in the work"
investment (Noun) — Outer layer or covering of an organ or part or organism.
investment (Noun) — The act of putting on robes or vestments.
investment (Noun) — The ceremonial act of clothing someone in the insignia of an office; the formal promotion of a person to an office or rank.