There are a number of synonyms that can be used to replace the phrase "appear likely" in a sentence. Some of these include "seem probable," "look feasible," "sound plausible," "appear possible," "suggest potential," "indicate likelihood," and "hint at probability." Each of these phrases can be used to convey the same meaning as "appear likely" and can be utilized in a variety of contexts. When choosing which synonym to use, it is important to consider the tone and context of the sentence, as well as the overall message that is being conveyed.