The word "dustpanful" refers to the amount of debris or dirt that can be collected by a dustpan. However, this word may be too specific for some situations. Other synonyms for "dustpanful" may include "scoop," "handful," "pile," or "gathered debris." These words can be used to describe a similar amount of collected dirt or debris, but offer more flexibility in language and can be applied to a wider range of scenarios. It is important to have a varied vocabulary to accurately describe different objects and quantities in various situations.