A System of Morals and Spiritual Beliefs
This page is the CodyCross answer for the clue below from Trip to Spain, Group 854, Puzzle 1 (Guggenheim Museum).
Question is: A System of Morals and Spiritual Beliefs
and the answer is: RELIGION
Word Meaning:
RELIGION — (uncountable) Belief in a spiritual or metaphysical reality (often including at least one deity), accompanied by practices or rituals pertaining to the belief.
Definitions from Wiktionary.