Someone skilled at coping with, or managing transition in some, or any field. / Someone or something (such as a country) undergoing transition, e.g. from one system or status to another.

Lasting only a short time; temporary. / (law) Of an action: that may be brought in any county

(degree, manner) In a transitory way.

The state or quality of being transitory.

In a transitional manner.

Transitional.

Lacking a transition.

plural of transitionist

(law) in transit; during transportation

plural of transitologist