exceedingly   
fonitra
exceedingly [Richardson 1885]
indrindra
especially, exceedingly, chiefly, principally. It is used to form the superlative degree of adjectives, and to qualify or emphasize most adjectives and verbs. [Richardson 1885]
izaitsizy
exceedingly, excessively [Hallanger 1973]
izay tratra
exceedingly [Hallanger 1973]