This is the 12600th most frequent Spanish word.
motivador
Motivador: Motivator; someone or something that inspires or encourages action or enthusiasm.
In this sentence, 'motivador' is used as an adjective describing the effect of the speech.
El discurso del profesor fue muy motivador.
The teacher's speech was very motivating.
Here, 'motivador' qualifies 'consejo', depicting its property of inspiring a desire to act or improve.
Mi amigo me dio un motivador consejo para seguir adelante.
My friend gave me a motivating piece of advice to keep going.
In this sentence, 'motivador' is used as a noun meaning 'a person or thing that motivates'.