What is another word for "source"?

Roget's Thesaurus (1911) lists these synonyms for "source": abditory, adytum, agreeable, ambuscade, ambush, and, animal, back, background, bask, bed, blend, blind, blinker, bodily, bonne, bouche, cloak, closet, cloud, clover, comfort, comfortable, concealed, concealment, cosy, cover, creature, crypt, cup, curtain, dainty, danger, deceive, disguise, dissipation, domino, drawer, dress, drink.