Example : A fantastic trip to the Orient.
The film was fantastic!.
A howling success.
A marvelous collection of rare books.
Had a rattling conversation about politics.
A tremendous achievement.

Synonyms : fantastic, grand, howling, marvellous, marvelous, rattling, terrific, tremendous, wonderful

Example : Her voice is superbly disciplined.
The colors changed wondrously slowly.

Synonyms : marvellously, marvelously, superbly, terrifically, toppingly, wonderfully, wondrously