Collocations for optimistic - adj.

appear, be, feel, look, seem, sound | become | remain

extremely, highly, strongly, very
He remained strongly optimistic that an agreement could be reached.

excessively, hopelessly, incredibly, overly, ridiculously, unduly, wildly
These estimates were wildly optimistic.

a bit, fairly, a little, quite, rather, reasonably, somewhat | basically, essentially, generally
an essentially optimistic view of human nature

cautiously, guardedly, quietly
I don''t want to exaggerate our chances, but I''m cautiously optimistic.

cheerfully

about
He''s very optimistic about his chances.