adjective
1.
Synonyms: erect , raised, stand-up, straight-up, upright, upstanding
2.
Synonyms: attentive 1, advertent, heedful, intentive, observant, regardful
adjective
1.
Synonyms: erect , raised, stand-up, straight-up, upright, upstanding
2.
Synonyms: attentive 1, advertent, heedful, intentive, observant, regardful
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003