sen·a·to·ri·al 
(sĕn′ə-tôrē-əl)
(sĕn′ə-tôrē-əl)adj.
1. Of, concerning, or befitting a senator or senate.
2. Composed of senators.
sen′a·tori·al·ly adv.
- decollate
- decollation
- decollator
- decollectivization
- decollectivize
- decolonization
- decolonize
- decolorant
- decolorization
- decolorize
- decolorizer
- decommission
- decompensate
- decompensation
- decomposability
- decomposable
- decompose
- decomposer
- decomposition
- decompositional
- decompound
- decompound
- decompress
- decompression
- decompression chamber