To inspire; to inspirit or animate; to fill (with).
To instill as a quality.
To steep in a liquid, so as to extract the soluble constituents (usually medicinal or herbal).
To cause to become an element of something; to insert or fill.
To undergo infusion.
To make an infusion with (an ingredient); to tincture; to saturate.
To be involved in; to form strong attachments to.
To surround, accompany, or attend.
To spend money, time, or energy on something, especially for some benefit or purpose; used with in.
To commit money or capital in the hope of financial gain.
To ceremonially install someone in some office.
To lay siege to.
To prepare for lost wax casting by creating an investment mold (a mixture of a silica sand and plaster).
To make investments.
To formally give (someone) some power or authority.
To envelop, wrap, cover.
To formally give (power or authority).
An unnamed tropical weather pattern "to investigate" for development into a significant (named) system.