The term BONO PRO is a combination of two words, 'BONO' and 'PRO'. BONO is a Latin word meaning 'good' or 'GENEROUS', while PRO is a Latin prefix meaning 'FOR'. Together, the term BONO PRO can be interpreted as 'FOR the good'. This term can be related to three crossword solutions: DONATE, freemasons, and FREE. DONATE means to give something, usually money, to a charity or other cause without expecting anything in return. Freemasons are members of a fraternal organization that has existed since the Middle Ages and is dedicated to moral and spiritual values. FREE means without cost or obligation. UNPAID means not receiving any payment FOR work done. Therefore, BONO PRO can be interpreted as giving something without expecting anything in return, such as donating to a charity, being a member of a fraternal organization, or providing a service without charging a fee.