reflexionar in English:

The situation led me to ponder some of life's big questions.

I pondered deeply

I ponder buying a new car.

As you ponder,

She ​sat back for a ​minute to ponder her next ​move in the ​game

She sat for a minute to ponder her next move in the game.

Shaven-headed man disappeared and Patrick turned back to me, apparently still pondering Will’s fate.

I pondered the question of what clothes to wear for the occasion.

On his voyage home, Darwin had time to ponder on these things.

[+ question word] He pondered what might have happened if he hadn't gone home.

there was little time to ponder the dangeres

Ponder deeply over it.

A gaggle of intoxicated youths stopped to ponder whether there is an Opposite Day in Bizarro World.

Fathers and teachers, I ponder, "What is hell?" I maintain that it is the suffering of being unable to love.