The term 'save up' is a phrase that is used to describe the act of setting aside money or resources for future use. The crossword solutions for this term are STORE (5 letters), HUSBAND (7 letters), KEEP (4 letters), AMASS (5 letters), HARVEST (7 letters), and LAYASIDE (8 letters). All of these words can be used to describe the act of saving up, as they all involve collecting and storing something for later use. For example, 'STORE' implies putting something away for safekeeping, while 'HUSBAND' suggests managing resources carefully. Similarly, 'KEEP' and 'AMASS' both refer to accumulating something, and 'HARVEST' and 'layaside' suggest gathering and setting aside resources.