The Oxford Thesaurus An A-Z Dictionary of Synonyms - highlyadv.

1) greatly, much, tremendously, well, enthusiastically, warmly, immensely, hugely: Her play was highly praised by all the critics. 2) very, extremely, quite, exceptionally, extraordinarily, incomparably, decidedly: It is highly unlikely that I shall come to your party. 3) favourably, well, enthusiastically, approvingly, warmly, praisefully: They seem to think highly of him at the office. 4) well, influentially, powerfully, strongly, authoritatively, effectively, importantly: I have the information from a highly placed government official.