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

See also: theoretical

Antonym: empirically

• acetamide
• acetaminophen
• acetanilid
• acetanilide
• acetate
• acetate disk
• acetate rayon
• acetic
• acetic acid
• acetic anhydride
• acetify
• acetin
• aceto-
• acetoacetic acid
• acetone
• acetone body
• acetonemia
• acetonic
• acetonuria
• acetophenetidin
• acetose
• acetous
• acetphenetidin
• acetum
• acetyl