essential

Thus, research-based resources with the potential to assist teachers prepare secondary students for tertiary education are essential.

In order to grant the rich these pleasures, the social contract is reconfigured. The welfare state is dismantled. Essential public services are cut so that the rich may pay less tax. […]

Don’t mind him being grumpy. That’s the essential Fred.

Or is it true, that thou art but a bare name, / And no eſſential thing?

It is usually allowed that there is the natural body, as St. Paul called it, which is dissolved at death, and the etheric or spiritual body which survives and functions upon an etheric plane. Those are the essential things. But we may really have as many coats as an onion and there may be a mental body which may shed itself at any spot where great mental or emotional strain has been experienced.