Agnostically refers to a lack of knowledge or belief in a particular concept, idea or situation. It can be synonymous with "uncertainly" which means having a lack of sureness or conviction. "Ambiguously" can also serve as a synonym, which refers to something that is open to multiple interpretations or meanings. "Indifferently" may also work, indicating a neutral or unbiased attitude towards something. Another possible synonym is "non-committally," which suggests a reluctance to take sides or make a definitive decision. In essence, agnostically is a nuanced term that requires careful consideration to find the most appropriate synonym to convey the intended meaning.