[v] gain or regain energy
[v] get better; "Her performance in school picked up"
[v] lift out or reflect from a background, as of a color; "The scarf picks up the color of the skirt"; "His eyes picked up his smile"
[v] get to know or become aware of, usually accidentally; "I learned that she has two grown-up children"; "I see that you have been promoted"
[v] eat by pecking at; of birds
[v] take up by hand; "He picked up the book and started to read"
[v] take into custody, as of suspected criminals, by the police
[v] fill with high spirits; fill with optimism
[v] give a passenger or a hitchhiker a lift
[v] take and lift upward
[v] of perceptual input: receive a signal, receive news, receive a verdict, etc.
[v] perceive with the senses quickly, suddenly, or momentarily; "I caught the aroma of coffee"; "He caught the allusion in her glance"; "ears open to catch every sound"; "The dog picked up the scent"; "Catch a glimpse"
[v] buy casually or spontaneously; "I picked up some food for a snack"
[v] gather or collect; "You can get the results on Monday"; "She picked up the children at the day care center"
[v] get in addition, as an increase; "The candidate picked up thousands of votes after his visit to the nursing home"
[v] meet someone for sexual purposes
apprehend, arrest, call for, catch, collar, collect, cop, discover, elate, find out, gain vigor, gather up, gather up, get a line, get wind, get word, hear, intoxicate, learn, lift up, lift up, nab, nail, peck, percolate, perk, perk up, receive, see, turn