Optimist

n.hopeful, resilienteveryday

What it means

A person disposed to see favorable possibilities and expect workable outcomes.

Reach for it when describing someone whose hope is a recognizable outlook rather than a passing mood

The optimist on the committee treated the failed pilot as useful information for the next one.

playful
cheerleader
when visible enthusiasm for a team or plan is central
not when It can imply uncritical support and is not a neutral synonym for optimist.
playful
glass-half-full person
when a familiar image suits casual praise
not when The cliché is unsuitable for a formal profile or recommendation.
everyday
hopeful person
when plain language matters more than a compact label
not when This may describe a temporary feeling rather than a stable outlook.
warm
believer
when trust in a person, cause, or future drives the hope
not when Without an object, believer may sound religious or vague.
warm
encourager
when the person actively strengthens other people's hope
not when An encourager need not personally expect events to turn out well.
professional
positive thinker
when constructive thought habits are the focus
not when The phrase can suggest avoiding hard facts if the context lacks realism.
professional
visionary
when someone sees an inspiring future and a new direction
not when It overstates ordinary good expectations and implies originality.
formal
idealist
when hope follows a vision of how things ought to be
not when Idealism can imply impracticality that optimist does not.

eternal optimist
As an eternal optimist, Bea packed seeds even for the unpromising patch of soil.
cautious optimist
The cautious optimist welcomed the result while asking for a second test.
born optimist
A born optimist, Theo could spot the next opening before disappointment settled.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.