Goatishly is an adverb that refers to behaving like a goat or resembling a goat. There are several synonyms that can be used in place of goatishly, depending on the context in which it is being used. Some possible alternatives could include capriciously, wantonly, or recklessly. These words all suggest a lack of restraint or self-control, which is often associated with goats. Other suitable replacements for goatishly might include stubbornly, bullishly, or obstinately, which all convey a sense of determination or refusal to change course. Ultimately, the most appropriate synonym for goatishly will depend on the specific nuance of meaning that the writer is trying to convey.