Answer:

rosiest

Answer	Crossword Clue
ROSIEST	Least pessimistic
ROSIEST	Most hopeful
ROSIEST	Most optimistic

ROSIEST	Most promising
ROSIEST	Best-case
ROSIEST	Most upbeat
ROSIEST	Most optimistic.
ROSIEST	Most promising.
ROSIEST	Like the best outlook
ROSIEST	Least defeatist

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.