to change as the moon

hide one's face (from), avoid meeting (someone)

To hide your identity

conceal, hide, cover, obscure

attempt to conceal from one who is in the know

cover, screen, conceal or hide

a convention in Indian marriages in which the bride's sisters hide the groom's shoe and ask for money in return

be highly secretive

mystery, secret, confidential, clandestine

a confidante

quietly, privacy, secrecy, keeping a secret, the action of keeping something secret or the state of being kept secret

confidant, one in the know of secrets, confidant, secret-keeper

secrecy

hiding secrets, keeping or concealing secrets

one who keeps or conceals a secret

acquainted with secret, the one who know the secrets of someone

decoder, secret revealer