Antonyms of the word "blockout" include "illumination," "clarity," "transparency," "brightness," and "openness." These terms suggest the opposite of a state of blocking out or obscuring, instead indicating a clear and visible path forward. "Illumination" implies an improvement in understanding, while "clarity" indicates a clear sense of purpose. "Transparency" suggests a lack of obfuscation or complexity, while "brightness" implies a sense of optimism or positivity. "Openness" indicates that there is nothing hidden or blocked, and that all possibilities are available. Each of these antonyms works to convey a sense of contrast to the term "blockout," highlighting the importance of clear communication and accessibility.