The term 'drum up, as business' can be defined as to SOLICIT or encourage customers or clients to purchase goods or services. This phrase is often used in the context of marketing and sales, where businesses will use various tactics to attract potential customers. The crossword solutions for this term are 'soliciting', which is a verb meaning to ask for or try to obtain something, usually money or support. This term is often used in the context of marketing and sales, where businesses will use various tactics to attract potential customers.