"More irradiating" is a powerful phrase that describes something that is emitting or spreading a significant amount of energy, light, or radiation. Synonyms for this phrase could include "more illuminating," which suggests a similar intensity of light or clarity of perspective. Another option might be "more enlightening," indicating that something is shedding light on a previously unknown or opaque subject. Additionally, the phrase "more incisive" could be used to describe something that is penetrating and insightful, while "more stimulating" suggests an intellectual or creative energy that is invigorating and exciting.