Synonyms for "retrofit"

When looking for synonyms for "retrofit," it's helpful to consider the specific context. Here are some options, categorized by nuance:

General replacements:

• modify
• alter
• adapt
• convert
• upgrade
• renovate
• remodel
• improve
• modernize
• adjust

For adding components:

• install
• add
• incorporate
• integrate
• equip

For making something compatible:

• adapt
• adjust
• convert
• standardize

For older systems:

• update
• overhaul
• refurbish
• recondition

In a technological context:

• upgrade
• update
• reconfigure