When referring to astronomy, the word cosmic is also used. More specialized would be interplanetary or interstellar, depending on the reference.
Because stars are seen in the sky, the term sky-high is also synonymous with astronomical, especially in non-space metaphorical usage.
Astronomical is an adjective that has a couple meanings. The first meaning of astronomical is relating to astronomy, and the second meaning of astronomical is extremely large.
"astronomical"
astronomical
A word that has the same meaning as another word is a synonym.
Another word meaning clenched is tighten.
The meaning of a word is its "definition."
A synonym is a word with a meaning similar to that of another word.
Another word meaning "to influence" is "affect" or "impact."
another word for eclectic
Another word is I didn't do it! OR She/He did it.
whats another meaning for the word intended
Another word is master piece.