1) Act of reading 2) Attentive reading 3) Careful reading 4) Casual read 5) Casual reading 6) Close study 7) Examination 8) Leisurely study 9) Pearls you study 10) Perusing 11) Poring over 12) Quick read 13) Quick scan 14) Reading 15) Study 16) Studying Found on https://www.crosswordclues.com/clue/perusal
Pe·rus'al noun [ From Peruse .] 1. The act of carefully viewing or examining. [ R.] Tatler. 2. The act of reading, especially of reading through or with care. Woodward. Found on http://www.encyclo.co.uk/webster/P/63