The word 'terrorism'

Countries, including the US and Spain, can use the term terrorist or terrorism to their advantage to rhetorically frame and thus punish particular individuals or groups:

Eitb24.com: Spain's High Court ruled Friday that three outlawed Basque youth organizations were terrorist groups because of their links to armed Basque group ETA, court officials said. The court ruled that Jarrai, Haika and Segi were terrorist groups, not just illegal associations as they were previously known as, the ruling said. It also raised earlier prison sentences handed down to 23 young activists to six years.

La-moncloa.es: The operations carried out by these two police bodies will serve to dismantle the clandestine structures of SEGI in Spain … Moreover, this takes place in an essential moment in the fight against terrorism.

Euronews.net: This operation fulfils three fundamental objectives in the struggle against terrorism. First, to prevent groups re-organising that have been declared illegal by the supreme court. This is the case for Batasuna and Segi. Second, to prevent an academy, and that’s what we’ve done with this operation. Third, fight against the urban violence that Segi carries out for ETA

moment024.com: Anti-terrorist officers had been monitoring youth activity following the arrest in Paris earlier this year of an alleged senior commander of ETA.