In proper form; also, with regard to the ‘form’ or essential nature; = formally, adv.

With regard to essence, potentiality, or effect, as distinguished from actual form or specific manner; as far as essential qualities or facts are…

figurative. In essence; with respect to essence; as an essential attribute or constituent.

Thoroughly; to the core. Obsolete.

= substantially, adv. Obsolete.

In essentials, substantially.

In respect of or with regard to ‘quiddity’ or essence; essentially.

Essentially, fundamentally. Obsolete.

In constitution or composition.

quasi-adv.= essentially, adv.

In substance or effect; effectively, essentially; = substantially, adv. 5.