dot·age 
(dōtĭj)
(dōtĭj)n.
A deterioration of mental faculties associated with aging.
[Middle English, from doten, to dote.]
- immortalization
- immortalize
- immortally
- immortelle
- immotile
- immotility
- immovability
- immovable
- immovable feast
- immovableness
- immovably
- immune
- immune globulin
- immune reaction
- immune response
- immune serum globulin
- immune system
- immunity
- immunization
- immunize
- immuno-
- immunoassay
- immunoblot
- immunochemical
- immunochemically