Explanation
Use an い-adjective to express 'to make' or 'to become'.
Formation
い-Adjective (remove い) + くします
Detailed explanation
By adding くします to an い-adjective, you express making something (or causing something to become) the quality of that adjective. In English, this often corresponds to phrases like 'make something more ADJECTIVE.'
Examples
部屋を明るくします。
Heya o akaruku shimasu.
I will make the room brighter.
友達の気分を楽しくします。
Tomodachi no kibun o tanoshiku shimasu.
I will make my friend’s mood more pleasant.
仕事が簡単になるように、やり方を早くします。
Shigoto ga kantan ni naru you ni, yarikata o hayaku shimasu.
I will make the way of doing things faster so that the work becomes easier.
食べ物を美味しくします。
Tabemono o oishiku shimasu.
I will make the food delicious.
Practice
Grammar content sourced from hanabira.org.