WordNet sense 1 (a workplace where metal is worked by heating and hammering):

smithy

WordNet sense 2 (move or act with a sudden increase in speed or energy):

spurt, spirt

WordNet sense 3 (create by hammering):

hammer

WordNet sense 4 (make something, usually for a specific function):

form, mold, shape, work, shape, mould

WordNet sense 5 (make out of components (often in an improvising manner)):

fashion

WordNet sense 6 (make a copy of with the intent to deceive):

counterfeit, fake

WordNet sense 7 (come up with (an idea, plan, explanation, theory, or principle) after a mental effort):

contrive, devise, formulate, invent, excogitate