Atheistically is an adverb that describes a viewpoint or belief that there is no God or gods. Below are some synonyms that can be used in place of atheistically to convey a similar sentiment:
1. Non-theistically - This word refers to a belief or philosophy that does not involve a deity.
2. Secularly - This implies a focus on worldly concerns and a rejection of religion or faith.
3. Humanistically - This emphasizes human values, reason, and ethics without the need for a higher power.
4. Rationalistically - This relates to a logical and scientific approach to understanding the world without invoking supernatural entities.
5. Materialistically - This refers to a focus on the physical world and material existence, with little or no consideration for spiritual or religious beliefs.
Overall, these synonyms provide different ways to express an atheistic worldview by emphasizing a rejection of the supernatural and a focus on rational or humanistic values.