When it comes to describing something that is easy to digest or pleasing to the palate, there are several synonyms to replace the word "stomachable". One alternative could be "digestible", indicating that the food or dish is easily broken down by the stomach. Another option is "palatable", which refers to how agreeable or tasty the food is to the senses. Additionally, "appetizing" can be used to portray something that stimulates the appetite or is visually appealing. "Mild" is another word that can be employed to describe something that doesn't cause any discomfort or indigestion. Lastly, "enjoyable" can be used to convey the idea that the food is pleasant to eat and brings satisfaction.