Technically

de jure

(based on formal (de jure) arguments, which however may be misleading)

laillisesti

(based on formal (de jure) arguments, which however may be misleading)

lain mukaan

(based on formal (de jure) arguments, which however may be misleading)

oikeasti

(based on precise facts, which however may be contrary to common misbelief or to a traditional name)

teknisesti

(having or using the skills or talent required for a certain job or profession)

teknisesti

(according to the current state of technology)

tosiasiallisesti

(based on precise facts, which however may be contrary to common misbelief or to a traditional name)