To make an infusion with (an ingredient); to tincture; to saturate.
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 insert a substance between two or more molecules, bases, cells, or tissues.
To insert an extra month into a calendar for the same purpose. The Hebrew calendar has such a month.
To insert an extra leap day into a calendar in order to maintain synchrony with natural phenomena.
To insert anything somewhere (especially between other things), such as an affix into a word. (Compare interpolate.)