Wagonload is a term used to describe the amount of goods or cargo that can be carried by a wagon. However, there are several synonyms that can be used to describe this term. Some of the common synonyms include heap, load, stack, pile, pack, bunch, bulk, and mass. These terms are often used interchangeably with wagonload depending on the context of the sentence. For instance, you can say "the wagon was loaded with a heap of hay" or "the farmer's wagon carried a stack of logs." Whether you choose to use wagonload or its synonyms, the idea is to convey the quantity of goods that can be transported by a wagon.