Answer: constructing

AnswerCrossword Clue
constructingDraw or delineate (a geometric figure) accurately to given conditions
constructingForm (an idea or theory) by bringing together various conceptual elements, typically over a period of time
constructingCONSTRUCT, to build
constructingForm (a sentence) according to grammatical rules
constructingBuild or erect (something, typically a building, road, or machine)