alterer

Person making changes

One who alters—changes, modifies, or adjusts something.

A tailor is an alterer of clothing.

A forger is an alterer of documents.

The word appears occasionally in legal and technical contexts but remains uncommon in everyday speech: The alterer of the contract faced criminal charges.

changer

transformer

Voltage-altering electrical device

adapter · adjuster · amender · reformer · innovator · renewer · customizer · editor · overhauler · updater

transformation

metamorphosis

Profound biological restructuring

reinvention · mutation · transmutation · morphing · reshaping · reconfiguration · transfiguration · shift · transition · restructuring

tailor

seamstress

One who stitches garments

hemming · adjustments · resizing · fitting · measurements · seams · waistband · lengthening · shortening · custom-fit

Opposites
change vs. preservation

altererpreserver

One that maintains or saves

conservator · maintainer · keeper · protector · guardian

Phrases
Family

alter, alternative, alternate, altered, alteration, altering, unaltered, alters, altercation

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Everyday, not technical · Rated G