Ideally

adv.hopeful, capableeveryday

Meaning 1

In the most suitable or desirable way available.

Reach for it when introducing the preferred arrangement while allowing that reality may differ

Ideally, the seedlings will spend a week adjusting before they are moved outdoors.

playful
best
plain speech needs the strongest available recommendation
not when Best can sound categorical where ideally leaves room for constraints.
everyday
perfectly
the fit or execution has no meaningful flaw
not when Perfectly makes an absolute claim that ideally often softens.
everyday
preferably
you are stating a favored option rather than perfection
not when Preferably sounds like a request and may be too weak for a best-case condition.
professional
optimally
measurable performance is being maximized
not when Optimally is technical and awkward for humane wishes or personal arrangements.
formal
desirably
an outcome is advantageous in a restrained analysis
not when Desirably sounds impersonal in ordinary advice.
literary
aptly
a word, image, or action fits with elegant precision
not when Aptly concerns appropriateness, not the best surrounding conditions.

With exceptionally close agreement to a model or purpose.

Reach for it when saying that something fits its intended use almost perfectly

The narrow brush is ideally suited to the carved lettering.

ideally placed
The bench is ideally placed to catch the last afternoon sun.
ideally suited
Soft wool is ideally suited to the room's quieter character.
ideally located
The clinic is ideally located between the station and the market.

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