The word "calignosities" refers to dark or gloomy areas. Antonyms for this word would include bright, sunny, cheerful, and clear. Bright is the opposite of dark, and it implies a shining or radiant quality. Sunny refers to the presence of sunshine, and it suggests warmth and optimism. Cheerful suggests a happy or joyous atmosphere, while clear indicates a lack of obstructions or hindrances. Using these antonyms can help to create a sense of positivity or clarity in writing, and they can be especially useful in descriptions of natural settings or mood-based scenes.