Reach out is a phrase that is used to describe the act of extending oneself to another person or group. It is often used in the context of offering help, support, or assistance. The term can also be used to refer to the act of extending one's influence or reach beyond what is normally expected. In the context of a crossword puzzle, the term 'EXTEND' is used to describe the action of reaching out. This phrase is often used to encourage people to reach out to those in need and to EXTEND a helping hand.