jäljittelevälle
The Finnish word "jäljittelevälle" is the dative plural form of the adjective "jäljittelevä". "Jäljittelevä" itself derives from the verb "jäljittää", meaning to imitate, mimic, or trace. Therefore, "jäljittelevälle" describes something or someone that is in the state of imitating or mimicking, and the dative case indicates that this imitation or mimicry is directed towards someone or something, or that it is for the benefit of someone or something.
In practice, "jäljittelevälle" would be used in a sentence to describe an action or object that is