to sign up, as in the military

a staff of teachers at a school

the truth or facts of matter and existence; the state of being actual; not fantasy

conforming to or in agreement with established standards for or forms of acceptable behavior; standard or traditional; common; ordinary; regular; usual; typical.

according to set rules; by virtue of the proper authority; in a ceremonious manner; formally or in name

to meet set or prescribed requirements; to prove capable or fit; to measure up.

friendly; sincere; warm; affectionate; sociable; earnest; heartfelt; welcoming

concealed or hidden; buried deep within; dormant; untapped; present but not apparent; not active; not visible; exiting but not evident

the state or condition of being at odds or opposed deep hatred; hostility; antagonism or animosity; ill will or bad feelings

absolutely necessary; very important or significant; of extreme importance; vital; essential; critical

lacking depth, substance, or significance; relating to or concerned with only the outside or outer appearance; existing only on the surface; shallow; trivial; not profound

kept; held or held onto; continued to have; held or kept in place or position; kept or held within; paid a fee to start or keep a service; hired; employed

the effect of sound, as produced in an enclosed area; the nature of sound; the study of the physical properties of sound.

the quality of being fully alive; energy; liveliness; pep; spirit; good health