1. In theory; according to the assumed facts 
2. In a theoretical manner
   "he worked the problem out theoretically"

See also: theoretical

Antonym: empirically

• fibrocystic breast disease
• fibrocystic disease of the breast
• fibrocystic disease of the pancreas
• fibroid
• fibroid tumor
• fibroid tumour
• fibroin
• fibroma
• fibromyalgia
• fibromyositis
• fibrosis
• fibrositis
• fibrosity
• fibrous
• fibrous astrocyte
• fibrous dysplasia of bone
• fibrous joint
• fibrous tissue
• fibrous-rooted begonia
• fibrousness
• fibrovascular bundle
• fibula
• fibular
• fibular vein
• FICA