# activation

> English word · Noun · IPA /ˌæktɪˈveɪʃn̩/ · frequency rank #9,129

## Definitions
1. Making active and effective; bringing into a state of activity.
2. The process of making a radioisotope by bombarding a stable element with neutrons or protons.
3. The process by which molecules are made able to react.
4. The promotion of a brand through an event or campaign.

## Easily confused with
- **activator** (https://plainspell.com/en/vs/activation-vs-activator)

## Common misspellings (15)
`acctivation`, `acitvation`, `actiavtion`, `activaiton`, `activasion`, `activatino`, `activationn`, `activatoin`, `activattion`, `activtaion`, `activvation`, `acttivation`, `actviation`, `atcivation`, `cativation`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/activation