ITU‐T's Technical Reports and Specifications 63 Table 4 – List of key terms to be included in a standardized definition for smart sustainable cities ICT Adaptable Reliable Scalable Accessible Security Safe Resilient Economic Growth Standard of living Employment Citizens Well‐being Medical Welfare Physical safety Education Environmental Physical and service infrastructure Transportation and mobility Water Utilities and energy Telecommunications Manufacturing Natural and man‐made disasters Regulatory and compliance Governance Policies and processes Standardization 6 Recommended definition 6.1 Criteria for definition Based on a detailed analysis of the keywords in over 100 definitions of a smart sustainable city, it was found that the following criteria best define a smart sustainable city: Key categories or groups ICT/communication/intelligence/information Infrastructure and services Environment/sustainable People/citizens/society Quality of life/lifestyle Governance/management/administration Economy/resources Mobility Categories based on key indicators Smart living Smart people Smart environment and sustainability Smart governance Smart mobility Smart economy