One antonym for the word "clamberings" could be "descents," which suggests a smooth and controlled movement downwards. Another antonym could be "resting," indicating a stationary state rather than an active one. "Stillness" could also serve as an antonym, meaning absence of any movement or action. "Serenity" could be another antonym, referring to a calm and peaceful state. Finally, "immobility" could be an antonym for "clamberings," indicating the absence of any climbing or movement. These various antonyms provide alternative perspectives to the word "clamberings," highlighting the contrast between different states of movement and stillness.