"pleasantest" in the adjective sense
1. pleasant
affording pleasure being in harmony with your taste or likings
"we had a pleasant evening together"
"a pleasant scene"
"pleasant sensations"
2. pleasant
of persons) having pleasing manners or behavior
"I didn't enjoy it and probably wasn't a pleasant person to be around"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License