to research and develop new products, technologies, or human potential

to exploit or tap into natural resources such as minerals or energy sources

(literary) to enlighten or instruct, especially in the context of educating the young or improving public intelligence

(archaic or dialectal) to pay for expenses such as fares or tips; to settle an account

(archaic or dialectal) to send someone away; to dismiss or deal with people

(literary) to open up or unseal a document or letter