Formative

His formative years were very unhappy.

It was in Algiers that he spent the formative years of his life.

The study finds one in four young women aged 15 to 24 are violently abused by an intimate partner. WHO officials said this is of particular concern as it is during this formative age that healthy relationships are made.

WHO officials said this is of particular concern as it is during this formative age that healthy relationships are made.

[I]ts thought, that, in the Seed are alvvaies potentially ſeuerall indiuiduating Qualities deriu'd from diuers of the neere Anceſtors, vvhich by the formatiue povver of the Parents may be expreſt in the Children, vvith reſpectiue habitude to either Sex; […]

Hybrids, […] have their reproductive organs functionally impotent, as may be clearly seen in the state of the male element in both plants and animals; though the formative organs themselves are perfect in structure, as far as the microscope reveals.

My formative years were spent in an inner city.

[T]his museum of the state of flux [Newmarket, Suffolk] has a climate unrivalled for the production of the British temperament. Not without a due proportion of that essential formative of character, east wind, it has at once the hottest sun, the coldest blizzards, the wettest rain, of any place of its size in 'the three kingdoms.'