1) Middle 2) Transitionary 1) Shift 2) Transformation 3) Transmutation 
• (a.) Of or pertaining to transition; involving or denoting transition; as, transitional changes; transitional stage.
Relating to a passage or change from one position, state, phase or concept to another.
A style of design that blends influences from various style categories.
Relating to or marked by a transition; transitory. ... (05 Mar 2000) ... 
A term used to describe an artifact that was utilized and manufactured across two or more cultural periods.
Type: Term Pronunciation: tran-si′shŭn-ăl, -zish- Definitions: 1. Relating to or marked by a transition; transitory.
[adj] - of or relating to or characterized by transition
A period of architecture which marked the period between the Norman and Gothic styles when both were inter mingling. Late twelfth to early thirteenth centuries.
adjective of or relating to or characterized by transition; `adolescence is a transitional stage between childhood and adulthood`
of or relating to change from one state to another