1) Became aware of 2) Being perceived or observed 3) Could be colder, one observed 4) Detected 5) Observed 6) Perceived or observed 7) Saw was hardly chilled 8) Spied 9) Spotted 10) Took in 11) Was observant 1) Espied 2) Observed 3) Saw 4) Seen 5) Spied 
• (imp. & p. p.) of Notice • (imp. & p. p.) of Notice
[adj] - being perceived or observed
adjective being perceived or observed; `an easily noticed effect on the rate of growth`