to a great extent or degree; "I'm afraid the film was well over budget"; "painting the room white made it seem considerably (or substantially) larger"; "the house has fallen considerably in value"; "the price went up substantially"
to a high degree or extent; favorably or with much respect; "highly successful"; "He spoke highly of her"; "does not think highly of his writing"; "extremely interesting"
used as intensifiers; `real' is sometimes used informally for `really'; `rattling' is informal; "she was very gifted"; "he played very well"; "a really enjoyable evening"; "I'm real sorry about it"; "a rattling good yarn"