Synonyms for Designer (same or very similar meaning)
WordNet sense 1 (a person who specializes in designing architectural interiors and their furnishings):
decorator, interior designer, house decorator, interior decorator, room decorator
WordNet sense 2 (a person who devises plots or intrigues):
intriguer
WordNet sense 3 (someone who designs clothing):
couturier, clothes designer, fashion designer
WordNet sense 4 (someone who creates plans to be used in making something (such as buildings)):
architect
From the ODE community, based on WordNet
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