The crossword solution for the term 'SUNNY FEELING' is 'WARMTH' (6 letters). The term 'SUNNY FEELING' is often used to describe a feeling of contentment and joy that comes from being in a warm, sunny environment. This feeling is often associated with the WARMTH of the sun's rays, which can bring a sense of comfort and relaxation. The crossword solution of 'WARMTH' captures this feeling perfectly, as it is a word that conveys a sense of WARMTH and coziness.