1) Bring up to date 2) Do up 3) Mend 4) Modernise 5) Overhaul 6) Redecorate 7) Refurbish 8) Regenerate 9) Remodel 10) Renew 11) Repair 12) Restore 13) Revamp 14) Update Found on https://www.crosswordclues.com/clue/modernize
Mod'ern·ize transitive verb [ imperfect & past participle Modernized ; present participle & verbal noun Modernizing .] [ Confer French moderniser .] To render modern; to adapt to modern person or things; to cause to conform to rece... Found on http://www.encyclo.co.uk/webster/M/86