The term 'shining brightly' can be described in many ways, such as 'AGLOW' (5 letters), 'AGLEAM' (6 letters), 'EFFULGENT' (9 letters), 'RADIANT' (7 letters), 'aglare' (6 letters), and 'undimmed' (8 letters). All of these words refer to something that is shining brightly, either due to its own light or reflecting the light of something else. The term 'AGLOW' refers to something that is glowing with a warm light, while 'AGLEAM' suggests a bright, shimmering light. 'EFFULGENT' implies a brilliant, RADIANT light, and 'RADIANT' is used to describe something that is emitting its own light. 'Aglare' is used to describe something that is shining brightly, and 'undimmed' suggests a light that is still strong and unaltered.