'effectively portray' is correct and usable in written English.
You can use it when you want to describe something that is presented or shown in a way that conveys the intended message or feeling. For example, "The artist's drawing effectively portrayed the sadness of a child in a situation of poverty."
Unless the unmarried students among you are given acting lessons, can you effectively portray lovebirds shopping for wedding gear, whether you're straight or gay?
Pessl would like "Night Film" to work as a meditation on the question of whether one must be a monster to effectively portray the monstrous in art (quick real-world answer: no).
To help readers fully understand research findings, authors and editors should take care to ensure that graphics efficiently and effectively portray the optimal amount of information.
Nolan felt Caine would effectively portray the foster father element of the character.
Nesbitt had questioned whether he was a good enough actor to effectively portray Cooper and was worried what Derry Catholics would think of a Protestant playing the lead.
Inaccurate vignettes will not effectively portray the characteristics of a disease and will lead to potentially biased data collection.
"Chimamanda Adichie's work effectively portrays the cutting effect of the twin legacy of colonialism, evangelical Catholicism and a weak political infrastructure, at a time when Nigeria seemed to be falling apart under the pressures of a military coup," said Professor David Massa of Purple Hibiscus.
The exceptions to that naming pattern are Erik, played with wonderful charm and unbelievably oversized crutches by Jack Wittmayer, and a strange visitor known as the Rat Wife, effectively portrayed by Wilma Bonet, with strong support from spooky special effects at every appearance.
But it's actually the character's seductions that are most effectively portrayed here.
And a barrage of attack ads from the Romney campaign effectively portrayed his career after Congress as influence-peddling.
Nothing could have more effectively portrayed the identity-less, impotent nature of the detainees and the potency of the US authorities.
