clever   
adalalahy
A clever fellow; anything very strong, and astonishing. [Richardson 1885]
aka
accustomed to, familiar with, clever, skillful. Not used as a simple adjective, but only in such phrases as, manao azy ho aka izy / he makes himself out to be clever [Richardson 1885]
avanavana
sharp, keen, clear-headed, skillful, clever, shrewd, quick. [Richardson 1885]
fefika
wise, clever, but small in stature [Richardson 1885]
hendrihendry
clever, expert, cunning, crafty; almost alike. [Richardson 1885]
kinga
clever, quick, shrewd [Hallanger 1973]
konjo
clever and deceitful [Hallanger 1973]
mahay
able, clever, competent. It governs the accusative, and it is joined to verbs in the same way as the English can, denoting ability to do a thing. [Richardson 1885]
able, clever [Hallanger 1973]
maranitra
sharp; very clever [Richardson 1885]
ngalifantsy
very clever [Richardson 1885]