pensive = gânditor
Pensive maens deep in thought. Edwad is pensive when he reads people's minds.
We admired the skill with which the artist captured the child's pensive expression.
The detective stood staring at the opaque window, looking pensive.
he was sitting on the sofa in a pensive way, he couldn't stop thinking of her not being here any more
His forehead pursed in pensive thought, the young man contemplated life.
Pensive.
pensive
pensive
Pensive
This is not a Romanian word.
She sat with a pensive, faraway look on her pretty face, absorbed with thoughts of their last night together.
I can see why the word thoughtless might seem to be an antonym for pensive, since a pensive person thinks a lot and a thoughtless person doesn't, however, thoughtlessness is really about irresponsibility, it is not really about thought in general. The opposite of thoughtless is thoughtful or responsible, not pensive. The opposite of pensive would be spontaneous, or glib.