Arrangeable

to place in proper, desired, or convenient order; adjust properly:
to arrange books on a shelf.
to come to an agreement or understanding regarding:
the two sides arranged the sale of the property.
to prepare or plan:
to arrange the details of a meeting.
music. to adapt (a composition) for a particular style of performance by voices or instruments.
to make plans or preparations:
they arranged for a conference on wednesday.
to make a settlement; come to an agreement:
to arrange with the coal company for regular deliveries.
historical examples

“-ssociation of ideas” is arrangeable under two heads: the discoverable, and the undiscoverable.
george cruikshank’s omnibus george cruikshank

lying in a conundrum, lying so makes the springs restless, lying so is a reduction, not lying so is arrangeable.
tender b-ttons gertrude stein

verb
(transitive) to put into a proper, systematic, or decorative order
(transitive; may take a clause as object or an infinitive) to arrive at an agreement or understanding about; settle
when intr, often foll by (when transitive, may take a clause as object or an infinitive) for. to make plans or preparations in advance (for something): we arranged for her to be met
(transitive) to adapt (a musical composition) for performance in a different way, esp on different instruments
(transitive) to adapt (a play, etc) for broadcasting
(intransitive) often foll by with. to come to an agreement
v.

late 14c., “draw up a line of battle,” from old french arengier (12c.), from a- “to” (see ad-) + rangier “set in a row” (modern french ranger), from rang “rank,” from frankish -hring (see rank (n.)).

a rare word until the meaning generalized to “to place things in order” c.1780-1800. musical sense of “adapt for other instruments or voices” is from 1808. related: arranged; arranging. arranged marriage attested from 1854.