Evacuative is a word that describes the act of emptying or expelling something, whether it be a person or an object. Synonyms for this word include: 1. Evacuant: Similar to evacuative, this word relates to the act of emptying out. 2. Purging: This word refers to the act of getting rid of something in order to cleanse or purify. 3. Voiding: Another word that describes the act of emptying, specifically related to bodily fluids or waste. 4. Emptying: Simple and straightforward, this word describes the act of making something empty. 5. Discharging: This word refers to the act of releasing or firing, often used in a military or industrial context. Overall, these synonyms help to convey the different types of emptying or expelling that can occur.