For Academic Writing

- Informal / Formal words

 

Informal	Formal/neutral
about	approximately
a lot of	considerable/significant
worry	concern
say	argue
put up with	tolerate
not enough	insufficient
not much	little
complete/full	comprehensive
a hot potato	a controversial issue
trouble	difficulty

 

- Opinion reporting

 

advocate, agree, allege, allude to, argue, assert, assume, believe, challenge, claim, concede, contend, criticise, emphasise, highlight, imply, insist, maintain, refute, suppose