Adjective

(en adjective)

Having to substance; actually existing; real; as, substantial life.

Not seeming or imaginary; not illusive; real; solid; true; veritable.

* "to do some substantial good, is the compensation for much incidental imperfection" - Cardinal Newman, The Rise and Progress of Universities

Corporeal; material; firm.

Having good substance; strong; stout; solid; firm; as, substantial cloth; a substantial fence or wall.

possessed of goods or an estate; moderately wealthy; responsible; as, a substantial freeholder.

Large in size, quantity, or value; as, a substantial amount of money; vast

Most important; essential.

Ample or full.

A substantial amount of people in this buliding

Significantly great.

Adjective

(en adjective)

(not comparable) Of or relating to astronomy.

* 1839 , (Edgar Allan Poe), ,

Finally, all men saw that astronomical knowledge lied not, and they awaited the comet.

* {{quote-magazine, date=2012-03

, author= , title=Pixels or Perish , volume=100, issue=2, page=106 , magazine= citation , passage=Drawings and pictures are more than mere ornaments in scientific discourse. Blackboard sketches, geological maps, diagrams of molecular structure, astronomical photographs, MRI images, the many varieties of statistical charts and graphs: These pictorial devices are indispensable tools for presenting evidence, for explaining a theory, for telling a story.}}

(comparable) Very large; of vast measure.

* 1959 , (Andre Norton), ,

At the moment he wondered why anyone would want to visit Khatka, let alone pay some astronomical sum for the privilege.