When it comes to finding alternative words for "SENS ACT A", the task might seem challenging. However, various synonyms can effectively convey the meaning and essence of this term. Some potential substitutes include "experience", "perceive", and "feel". These words capture the idea of the senses actively responding to stimuli and processing information. Additionally, "detect", "discern", and "notice" can be used to describe the act of being aware or attentive to sensory inputs. Whether you choose to use "sensation", "sensitive action", or one of these synonyms, the aim remains the same: to describe the active and perceptive engagement of the senses.